<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019c96d9-e21b-7fb4-9b48-596451b79bf2,g:83f360f7-5ffc-49bd-9928-fca76863f007-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="snps-20260430.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019c96d9-e425-7533-b1e5-9ad90fc9a21b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019c96d9-e425-799c-b1e8-0309da6f2d33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c96d9-e425-7533-b1e5-9ad90fc9a21b" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019c96d9-e425-799c-b1e8-0309da6f2d33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019c96d9-e425-7180-840f-847b3cc29a02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c96d9-e425-7533-b1e5-9ad90fc9a21b" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019c96d9-e425-7180-840f-847b3cc29a02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019c96d9-e425-7d56-b468-c6b5cbc57bf7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c96d9-e425-7533-b1e5-9ad90fc9a21b" xlink:to="loc_us-gaap_InventoryNet_019c96d9-e425-7d56-b468-c6b5cbc57bf7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019c96d9-e425-73ff-96e0-f26ba61cc45b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c96d9-e425-7533-b1e5-9ad90fc9a21b" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019c96d9-e425-73ff-96e0-f26ba61cc45b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7668-bc54-5745dbd991a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c96d9-e425-7533-b1e5-9ad90fc9a21b" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7668-bc54-5745dbd991a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c96d9-e425-7f12-b312-7342c12130d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019c96d9-e425-72c1-bc99-20935836252a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c96d9-e425-7f12-b312-7342c12130d0" xlink:to="loc_us-gaap_Liabilities_019c96d9-e425-72c1-bc99-20935836252a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7086-b847-984fdc1654a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c96d9-e425-7f12-b312-7342c12130d0" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7086-b847-984fdc1654a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019c96d9-e425-756d-8d8d-ca32b5f3099f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019c96d9-e425-7dff-9f24-7092f3595048" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c96d9-e425-756d-8d8d-ca32b5f3099f" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019c96d9-e425-7dff-9f24-7092f3595048" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019c96d9-e425-70ec-aef4-c88961cfcf1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c96d9-e425-756d-8d8d-ca32b5f3099f" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019c96d9-e425-70ec-aef4-c88961cfcf1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-7c53-8745-d32765621e4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c96d9-e425-756d-8d8d-ca32b5f3099f" xlink:to="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-7c53-8745-d32765621e4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019c96d9-e425-7031-bb5b-800d68e6509e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c96d9-e425-756d-8d8d-ca32b5f3099f" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019c96d9-e425-7031-bb5b-800d68e6509e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_019c96d9-e425-7a39-b6f3-29dfb4ffea1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c96d9-e425-756d-8d8d-ca32b5f3099f" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_019c96d9-e425-7a39-b6f3-29dfb4ffea1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-798e-9080-9b08fc374b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-798e-9080-9b08fc374b7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c96d9-e425-71a1-b383-e006d1bb8625" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c96d9-e425-71a1-b383-e006d1bb8625" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019c96d9-e425-7dbf-b167-f943b3a685ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019c96d9-e425-7dbf-b167-f943b3a685ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019c96d9-e425-7f82-b4be-cc88405e1cbb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_AssetsCurrent_019c96d9-e425-7f82-b4be-cc88405e1cbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019c96d9-e425-7179-968c-01aa7e169d82" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019c96d9-e425-7179-968c-01aa7e169d82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019c96d9-e425-78a3-8133-1d1c2d7e81af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_Goodwill_019c96d9-e425-78a3-8133-1d1c2d7e81af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019c96d9-e425-7474-a271-f31a4b396383" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c96d9-e425-781c-a1e6-878aef0c876b" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019c96d9-e425-7474-a271-f31a4b396383" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-74f1-9a56-661ba9c83d94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019c96d9-e425-7235-9604-e5326d5da3c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-74f1-9a56-661ba9c83d94" xlink:to="loc_us-gaap_StockholdersEquity_019c96d9-e425-7235-9604-e5326d5da3c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019c96d9-e425-7658-bec4-187f2dc18165" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-74f1-9a56-661ba9c83d94" xlink:to="loc_us-gaap_MinorityInterest_019c96d9-e425-7658-bec4-187f2dc18165" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019c96d9-e425-7da8-9868-34710132d92e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c96d9-e425-72e4-987a-8373325bc4fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019c96d9-e425-7da8-9868-34710132d92e" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c96d9-e425-72e4-987a-8373325bc4fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_019c96d9-e425-7a15-b9d1-eb15cc502a93" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019c96d9-e425-7da8-9868-34710132d92e" xlink:to="loc_us-gaap_ShortTermInvestments_019c96d9-e425-7a15-b9d1-eb15cc502a93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-78c1-a1fe-0175c8876e59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-73df-bfb7-f127acf0fd8e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-78c1-a1fe-0175c8876e59" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-73df-bfb7-f127acf0fd8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019c96d9-e425-7e03-8973-fc2421a883d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-78c1-a1fe-0175c8876e59" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019c96d9-e425-7e03-8973-fc2421a883d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019c96d9-e425-76be-b03f-c1ceeb053dae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-78c1-a1fe-0175c8876e59" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019c96d9-e425-76be-b03f-c1ceeb053dae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019c96d9-e425-7f76-8229-34eff368a261" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-78c1-a1fe-0175c8876e59" xlink:to="loc_us-gaap_LongTermDebtCurrent_019c96d9-e425-7f76-8229-34eff368a261" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7b50-9e7b-5b6ac1d514c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c96d9-e425-78c1-a1fe-0175c8876e59" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7b50-9e7b-5b6ac1d514c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019c96d9-e425-7d20-ba95-4b7ecf5dbc61" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:to="loc_us-gaap_PreferredStockValue_019c96d9-e425-7d20-ba95-4b7ecf5dbc61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019c96d9-e425-7afb-a91d-adcdeee75fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:to="loc_us-gaap_CommonStockValue_019c96d9-e425-7afb-a91d-adcdeee75fbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019c96d9-e425-75c9-b2f9-f89cf55006e3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019c96d9-e425-75c9-b2f9-f89cf55006e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019c96d9-e425-7147-9755-1f5405b07f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019c96d9-e425-7147-9755-1f5405b07f9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_019c96d9-e425-7656-9b09-df7a6834c932" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:to="loc_us-gaap_TreasuryStockCommonValue_019c96d9-e425-7656-9b09-df7a6834c932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7071-a39b-7e55a6d0ce73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c96d9-e425-7742-b226-30d2ada525e9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7071-a39b-7e55a6d0ce73" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOME" xlink:type="simple" xlink:href="snps-20260430.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOME"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019c96d9-e425-7e6a-84dd-5f4d82cbb78c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7587-878d-f14a0d2fa137" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019c96d9-e425-7e6a-84dd-5f4d82cbb78c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7587-878d-f14a0d2fa137" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019c96d9-e425-7c6d-bde1-9e7b132f6762" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019c96d9-e425-7e6a-84dd-5f4d82cbb78c" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_019c96d9-e425-7c6d-bde1-9e7b132f6762" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019c96d9-e425-7142-92d8-1bd2a4365deb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019c96d9-e425-7f92-a467-a6a7ebac11a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019c96d9-e425-7142-92d8-1bd2a4365deb" xlink:to="loc_us-gaap_GrossProfit_019c96d9-e425-7f92-a467-a6a7ebac11a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019c96d9-e425-7723-9506-aa526b65ce1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019c96d9-e425-7142-92d8-1bd2a4365deb" xlink:to="loc_us-gaap_OperatingExpenses_019c96d9-e425-7723-9506-aa526b65ce1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c96d9-e425-72c5-ad2d-b2b04d81cdf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019c96d9-e425-7dd9-9ba1-378db532244d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c96d9-e425-72c5-ad2d-b2b04d81cdf3" xlink:to="loc_us-gaap_OperatingIncomeLoss_019c96d9-e425-7dd9-9ba1-378db532244d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019c96d9-e425-7323-9de4-b0dedaf121bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c96d9-e425-72c5-ad2d-b2b04d81cdf3" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019c96d9-e425-7323-9de4-b0dedaf121bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e425-71ab-b61a-f8edd87fff89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c96d9-e425-72c5-ad2d-b2b04d81cdf3" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e425-71ab-b61a-f8edd87fff89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019d540f-a8c4-7574-b9be-6827b52b4767" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019d540f-a8c4-70b9-9f9d-7dc850822066" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019d540f-a8c4-7574-b9be-6827b52b4767" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019d540f-a8c4-70b9-9f9d-7dc850822066" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_019d540f-a8c4-75ee-b5d2-8ddfc0818534" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019d540f-a8c4-7574-b9be-6827b52b4767" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_019d540f-a8c4-75ee-b5d2-8ddfc0818534" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019c96d9-e425-7807-9bcf-f23b726231a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019c96d9-e425-7ae0-811a-689cb75da95b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019c96d9-e425-7807-9bcf-f23b726231a6" xlink:to="loc_us-gaap_CostOfRevenue_019c96d9-e425-7ae0-811a-689cb75da95b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019c96d9-e425-706c-9a2d-91202e8e162e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019c96d9-e425-7807-9bcf-f23b726231a6" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019c96d9-e425-706c-9a2d-91202e8e162e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c96d9-e425-7eb7-af00-1ded5bb113a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019c96d9-e425-783c-bb30-5024ba67fb70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c96d9-e425-7eb7-af00-1ded5bb113a0" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019c96d9-e425-783c-bb30-5024ba67fb70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019c96d9-e425-73c1-8f05-0a1feeee065d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c96d9-e425-7eb7-af00-1ded5bb113a0" xlink:to="loc_us-gaap_ProfitLoss_019c96d9-e425-73c1-8f05-0a1feeee065d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019d5410-dc37-786d-a8bf-47595a85ab46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019d5410-dc37-7fa7-80ab-5d7ebd21fd4f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019d5410-dc37-786d-a8bf-47595a85ab46" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019d5410-dc37-7fa7-80ab-5d7ebd21fd4f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_019d5410-dc37-7a0f-a2c4-a1c578817f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019d5410-dc37-786d-a8bf-47595a85ab46" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_019d5410-dc37-7a0f-a2c4-a1c578817f6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019c96d9-e425-774b-b847-1478aa575eff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDepreciationAmortizationAndDepletion_019c96d9-e425-7ab3-971b-2c61335ca156" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostDepreciationAmortizationAndDepletion"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostOfRevenue_019c96d9-e425-774b-b847-1478aa575eff" xlink:to="loc_us-gaap_CostDepreciationAmortizationAndDepletion_019c96d9-e425-7ab3-971b-2c61335ca156" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019c96d9-e425-7908-8a51-808cc4cc69aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostOfRevenue_019c96d9-e425-774b-b847-1478aa575eff" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019c96d9-e425-7908-8a51-808cc4cc69aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019c96d9-e425-747e-ae8b-55d98ac23735" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019c96d9-e425-7fc6-a8a3-e9de3ee13be9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c96d9-e425-747e-ae8b-55d98ac23735" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019c96d9-e425-7fc6-a8a3-e9de3ee13be9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019c96d9-e425-7442-b72b-932bf316f33c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c96d9-e425-747e-ae8b-55d98ac23735" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019c96d9-e425-7442-b72b-932bf316f33c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019c96d9-e425-7ab3-a6c3-8920393abcf2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c96d9-e425-747e-ae8b-55d98ac23735" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019c96d9-e425-7ab3-a6c3-8920393abcf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019c96d9-e425-785b-918c-6095f30e3ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c96d9-e425-747e-ae8b-55d98ac23735" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019c96d9-e425-785b-918c-6095f30e3ccc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019c96d9-e425-7561-8206-8af0e1f57678" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c96d9-e425-747e-ae8b-55d98ac23735" xlink:to="loc_us-gaap_RestructuringCharges_019c96d9-e425-7561-8206-8af0e1f57678" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019d5412-92d4-7285-bde4-6e0e3e26ca48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019d5412-92d4-7b3c-8e23-beec5da1c146" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019d5412-92d4-7285-bde4-6e0e3e26ca48" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019d5412-92d4-7b3c-8e23-beec5da1c146" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019d5412-92d4-746c-8e5d-72069d494c00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019d5412-92d4-7285-bde4-6e0e3e26ca48" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019d5412-92d4-746c-8e5d-72069d494c00" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOMECALCULATION" xlink:type="simple" xlink:href="snps-20260430.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOMECALCULATION"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOMECALCULATION" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c96d9-e425-7b65-a99c-d995fa18030b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019c96d9-e425-70e6-9e23-d86adbd764ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c96d9-e425-7b65-a99c-d995fa18030b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019c96d9-e425-70e6-9e23-d86adbd764ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019c96d9-e425-78af-aa36-f061069ae949" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c96d9-e425-7b65-a99c-d995fa18030b" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_019c96d9-e425-78af-aa36-f061069ae949" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="snps-20260430.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c96d9-e425-700d-97e5-71a2f3b526d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7c3f-bafc-87535f1ca5ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c96d9-e425-700d-97e5-71a2f3b526d7" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7c3f-bafc-87535f1ca5ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019c96d9-e425-779b-af5d-6322aab417fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c96d9-e425-700d-97e5-71a2f3b526d7" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019c96d9-e425-779b-af5d-6322aab417fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c2f-96df-192e11e1599e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019c96d9-e425-71e9-8185-3d15adf46778" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c2f-96df-192e11e1599e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019c96d9-e425-71e9-8185-3d15adf46778" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019c96d9-e425-76c7-96dd-e72a6de80e83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c2f-96df-192e11e1599e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019c96d9-e425-76c7-96dd-e72a6de80e83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_019c96d9-e425-75c6-aeed-49519f338077" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c2f-96df-192e11e1599e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_019c96d9-e425-75c6-aeed-49519f338077" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_019c96d9-e425-7c4f-b4ce-99e64bbc4fe0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c2f-96df-192e11e1599e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_019c96d9-e425-7c4f-b4ce-99e64bbc4fe0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7ce4-a298-f661eb73a924" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019c96d9-e425-7f2b-83e7-4c6f12e6e8d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7ce4-a298-f661eb73a924" xlink:to="loc_us-gaap_ProfitLoss_019c96d9-e425-7f2b-83e7-4c6f12e6e8d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c87-aaf7-45a09238715c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019c96d9-e425-7ce4-a298-f661eb73a924" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c96d9-e425-7c87-aaf7-45a09238715c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="snps-20260430.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c96d9-e425-75bc-9605-63ff40eb7697" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c96d9-e425-717b-ab10-a11048a83b97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c96d9-e425-75bc-9605-63ff40eb7697" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c96d9-e425-717b-ab10-a11048a83b97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-78ea-985d-4eef5ff108e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c96d9-e425-75bc-9605-63ff40eb7697" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-78ea-985d-4eef5ff108e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7559-88cd-b69af0694b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c96d9-e425-75bc-9605-63ff40eb7697" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7559-88cd-b69af0694b5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-70c3-8684-c972abb3bfc0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c96d9-e425-75bc-9605-63ff40eb7697" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-70c3-8684-c972abb3bfc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019c96d9-e425-7218-ad96-9ed3cd655bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_ProfitLoss_019c96d9-e425-7218-ad96-9ed3cd655bf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019c96d9-e425-7fcf-a983-f657969268b7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019c96d9-e425-7fcf-a983-f657969268b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_ReductionofOperatingLeaseRightofUseAssets_019c96d9-e425-7a45-a093-e7fa294a32e0" xlink:href="snps-20260430.xsd#snps_ReductionofOperatingLeaseRightofUseAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_snps_ReductionofOperatingLeaseRightofUseAssets_019c96d9-e425-7a45-a093-e7fa294a32e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_019c96d9-e425-7fc3-8d09-702df4ad1eed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedContractCostAmortization"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_019c96d9-e425-7fc3-8d09-702df4ad1eed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019c96d9-e425-7ae5-82eb-c6a0e1ff9941" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_ShareBasedCompensation_019c96d9-e425-7ae5-82eb-c6a0e1ff9941" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019c96d9-e425-7a5b-8707-60f49d929b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019c96d9-e425-7a5b-8707-60f49d929b6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_019c96d9-e425-7144-8793-f610b4025bfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_019c96d9-e425-7144-8793-f610b4025bfa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019c96d9-e425-7970-84e1-c2b750c5edb5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019c96d9-e425-7970-84e1-c2b750c5edb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019c96d9-e425-78c6-8e9e-fa5996b89ec9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019c96d9-e425-78c6-8e9e-fa5996b89ec9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019c96d9-e425-70a5-ba6c-ea0fcd717467" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019c96d9-e425-70a5-ba6c-ea0fcd717467" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019c96d9-e425-75b7-b4bf-0b6164c9f59b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019c96d9-e425-75b7-b4bf-0b6164c9f59b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019c96d9-e425-7b3e-be7e-0c7e4dc74c17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019c96d9-e425-7b3e-be7e-0c7e4dc74c17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_019c96d9-e425-752c-8b50-58a4790faff1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_019c96d9-e425-752c-8b50-58a4790faff1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019c96d9-e425-7ddd-a3bc-bec9ef7235d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019c96d9-e425-7ddd-a3bc-bec9ef7235d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_IncreaseDecreaseinOperatingLeaseLiabilities_019c96d9-e425-71bd-9373-15104e5dbf5b" xlink:href="snps-20260430.xsd#snps_IncreaseDecreaseinOperatingLeaseLiabilities"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_snps_IncreaseDecreaseinOperatingLeaseLiabilities_019c96d9-e425-71bd-9373-15104e5dbf5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_019c96d9-e425-7cce-8551-4373f7121a14" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_019c96d9-e425-7cce-8551-4373f7121a14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_019c96d9-e425-78a4-875b-d66dfdc80d9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_019c96d9-e425-78a4-875b-d66dfdc80d9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfInvestments_019d53a7-59b3-751e-a327-e60e77451425" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfInvestments"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_GainLossOnSaleOfInvestments_019d53a7-59b3-751e-a327-e60e77451425" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019d53a7-59b3-7a59-93d0-b2f3451948cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="19" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019d53a7-59b3-7a59-93d0-b2f3451948cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_019d53a7-59b3-768d-b748-838ba5137d64" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfBusiness"/>
    <link:calculationArc order="20" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_019d53a7-59b3-768d-b748-838ba5137d64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_019d53a7-59b3-7a61-a14e-c0a16b295b8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="21" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c96d9-e425-7ecf-8bfd-192540e33cad" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_019d53a7-59b3-7a61-a14e-c0a16b295b8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_019c96d9-e425-7c2f-9016-a36a2aa5b50b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_019c96d9-e425-7c2f-9016-a36a2aa5b50b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_019c96d9-e425-7942-aa28-e83948319096" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_019c96d9-e425-7942-aa28-e83948319096" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_019c96d9-e425-7fa0-8228-31fb899023a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_019c96d9-e425-7fa0-8228-31fb899023a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_019c96d9-e425-7b53-bcdb-0be33890f5fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireOtherInvestments"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_019c96d9-e425-7b53-bcdb-0be33890f5fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019c96d9-e425-7090-9ce4-3af6a4799522" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019c96d9-e425-7090-9ce4-3af6a4799522" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_019c96d9-e425-7669-9f95-216dd44aebd2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_019c96d9-e425-7669-9f95-216dd44aebd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019c96d9-e425-7449-8814-0a150538d56b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019c96d9-e425-7449-8814-0a150538d56b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019d53a6-a542-7442-9575-7d07d908d76d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c96d9-e425-7b54-8232-362ede601bfa" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019d53a6-a542-7442-9575-7d07d908d76d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_019c96d9-e425-78ee-85b0-ae4785236279" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_RepaymentsOfDebt_019c96d9-e425-78ee-85b0-ae4785236279" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019c96d9-e425-789a-978c-28d9503bae18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019c96d9-e425-789a-978c-28d9503bae18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019c96d9-e425-7150-bfa7-b0a0da30dd38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019c96d9-e425-7150-bfa7-b0a0da30dd38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement_019c96d9-e425-71d6-9f6a-4b97ec948152" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement_019c96d9-e425-71d6-9f6a-4b97ec948152" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_019c96d9-e425-7bdb-a234-3a99d59c4387" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_019c96d9-e425-7bdb-a234-3a99d59c4387" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_019d53a6-2a02-7f5d-8c7d-64979931aa99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_019d53a6-2a02-7f5d-8c7d-64979931aa99" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfOtherEquity_019d53a6-2a02-752f-a405-79e370b0efc8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfOtherEquity"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfOtherEquity_019d53a6-2a02-752f-a405-79e370b0efc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019d53a6-2a02-7cc9-863c-ee2e3a6896bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c96d9-e425-71d4-b525-e1b95702ecb5" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019d53a6-2a02-7cc9-863c-ee2e3a6896bb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/RevenueAdditionalInformationDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#RevenueAdditionalInformationDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/RevenueAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_019c96d9-e425-7f8f-a39f-bc046fd326cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedContractCostNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetCurrent_019c96d9-e425-78d7-b5df-e23893902c3a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedContractCostNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedContractCostNet_019c96d9-e425-7f8f-a39f-bc046fd326cf" xlink:to="loc_us-gaap_CapitalizedContractCostNetCurrent_019c96d9-e425-78d7-b5df-e23893902c3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetNoncurrent_019c96d9-e425-7868-bba4-97ebfe750013" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedContractCostNetNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedContractCostNet_019c96d9-e425-7f8f-a39f-bc046fd326cf" xlink:to="loc_us-gaap_CapitalizedContractCostNetNoncurrent_019c96d9-e425-7868-bba4-97ebfe750013" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-793d-bfe5-3e68af5da22b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019c96d9-e425-70c4-82f6-f5b83fb7e88a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-793d-bfe5-3e68af5da22b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019c96d9-e425-70c4-82f6-f5b83fb7e88a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019c96d9-e425-7ed7-8481-4f644b6b6f7d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-793d-bfe5-3e68af5da22b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019c96d9-e425-7ed7-8481-4f644b6b6f7d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/GoodwillandIntangibleAssetsScheduleofEstimatedFutureAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#GoodwillandIntangibleAssetsScheduleofEstimatedFutureAmortizationofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/GoodwillandIntangibleAssetsScheduleofEstimatedFutureAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019c96d9-e425-7c2a-939e-45093ec34823" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019c96d9-e425-7c2a-939e-45093ec34823" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_019c96d9-e425-78dc-bd37-267be7274256" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_019c96d9-e425-78dc-bd37-267be7274256" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019c96d9-e425-7125-844d-3a06129aa3c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019c96d9-e425-7125-844d-3a06129aa3c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_019c96d9-e425-7324-9305-32f2703a3b5c" xlink:href="snps-20260430.xsd#snps_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:to="loc_snps_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_019c96d9-e425-7324-9305-32f2703a3b5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_019c96d9-e425-7269-a612-ea7b384296db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_019c96d9-e425-7269-a612-ea7b384296db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019c96d9-e425-7044-91ed-3aa65617a674" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019c96d9-e425-7593-af17-362f571861f4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019c96d9-e425-7044-91ed-3aa65617a674" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/BalanceSheetComponentsScheduleofBalanceSheetsComponentsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#BalanceSheetComponentsScheduleofBalanceSheetsComponentsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/BalanceSheetComponentsScheduleofBalanceSheetsComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-76b1-aa8e-4866bc9d5a50" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019c96d9-e425-7b31-a4a1-ee49ed5cd1f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-76b1-aa8e-4866bc9d5a50" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019c96d9-e425-7b31-a4a1-ee49ed5cd1f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019c96d9-e425-7dd1-ae59-c18427f47a18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-76b1-aa8e-4866bc9d5a50" xlink:to="loc_us-gaap_AccountsPayableCurrent_019c96d9-e425-7dd1-ae59-c18427f47a18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_019c96d9-e425-7c88-b09c-c5dbf71afef2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-76b1-aa8e-4866bc9d5a50" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_019c96d9-e425-7c88-b09c-c5dbf71afef2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_019c96d9-e425-7d4b-96de-828df7dd8cfb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-76b1-aa8e-4866bc9d5a50" xlink:to="loc_us-gaap_InterestPayableCurrent_019c96d9-e425-7d4b-96de-828df7dd8cfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019c96d9-e425-7a60-8105-ed1ed9d4a3cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-76b1-aa8e-4866bc9d5a50" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019c96d9-e425-7a60-8105-ed1ed9d4a3cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019c96d9-e425-7518-8689-0a72bf71a861" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019c96d9-e425-7258-ac39-29bb855f21fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c96d9-e425-7518-8689-0a72bf71a861" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019c96d9-e425-7258-ac39-29bb855f21fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_019c96d9-e425-753f-9222-0d13506f7f70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c96d9-e425-7518-8689-0a72bf71a861" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_019c96d9-e425-753f-9222-0d13506f7f70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_019c96d9-e425-77fe-9d5b-72f4d227be66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherSundryLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c96d9-e425-7518-8689-0a72bf71a861" xlink:to="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_019c96d9-e425-77fe-9d5b-72f4d227be66" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/BalanceSheetComponentsScheduleofAssetsandLiabilitiesClassifiedasHeldforSaleDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#BalanceSheetComponentsScheduleofAssetsandLiabilitiesClassifiedasHeldforSaleDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/BalanceSheetComponentsScheduleofAssetsandLiabilitiesClassifiedasHeldforSaleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_019c96d9-e425-7609-a611-8f0d6e32fac3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_019c96d9-e425-7609-a611-8f0d6e32fac3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_019c96d9-e425-794e-84c6-e89055f89f52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_019c96d9-e425-794e-84c6-e89055f89f52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssetsCurrent_019c96d9-e425-7242-8472-2ea217154edd" xlink:href="snps-20260430.xsd#snps_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:to="loc_snps_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssetsCurrent_019c96d9-e425-7242-8472-2ea217154edd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent_019c96d9-e425-7ee0-addb-b255eaec9935" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent_019c96d9-e425-7ee0-addb-b255eaec9935" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_019e2b91-69bf-7dae-85da-3f7094f0b092" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_019e2b91-69bf-7dae-85da-3f7094f0b092" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_019e2b91-69bf-70f6-b5fc-b36bd0970808" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-78d3-bbae-d170766b914d" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_019e2b91-69bf-70f6-b5fc-b36bd0970808" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7998-90c0-62e090653769" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-797c-bb73-8f3f589d3553" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7998-90c0-62e090653769" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_019c96d9-e425-797c-bb73-8f3f589d3553" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesCurrent_019c96d9-e425-74b3-a418-3c909ffb4442" xlink:href="snps-20260430.xsd#snps_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7998-90c0-62e090653769" xlink:to="loc_snps_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesCurrent_019c96d9-e425-74b3-a418-3c909ffb4442" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_019c96d9-e425-715e-a45b-a0e813f66219" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_019c96d9-e425-7998-90c0-62e090653769" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_019c96d9-e425-715e-a45b-a0e813f66219" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/FinancialAssetsandLiabilitiesScheduleofCashEquivalentsandShortTermInvestmentsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#FinancialAssetsandLiabilitiesScheduleofCashEquivalentsandShortTermInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/FinancialAssetsandLiabilitiesScheduleofCashEquivalentsandShortTermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e425-7105-9c0b-0e8eeb189c9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019c96d9-e425-7ccb-ba9b-9ba0f7d7860e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e425-7105-9c0b-0e8eeb189c9d" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019c96d9-e425-7ccb-ba9b-9ba0f7d7860e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019c96d9-e425-7775-8737-2dbf5a774c9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e425-7105-9c0b-0e8eeb189c9d" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019c96d9-e425-7775-8737-2dbf5a774c9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019c96d9-e426-7aad-a788-57a4b8bbc052" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e425-7105-9c0b-0e8eeb189c9d" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019c96d9-e426-7aad-a788-57a4b8bbc052" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e426-75ca-9c20-8d1bb79df19e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e425-7105-9c0b-0e8eeb189c9d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e426-75ca-9c20-8d1bb79df19e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/FinancialAssetsandLiabilitiesScheduleofMaturityforShortTermAvailableforSaleSecuritiesDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#FinancialAssetsandLiabilitiesScheduleofMaturityforShortTermAvailableforSaleSecuritiesDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/FinancialAssetsandLiabilitiesScheduleofMaturityforShortTermAvailableforSaleSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e426-7161-a53a-a008d3fc4e70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_019c96d9-e426-7f06-9128-a0e896302318" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e426-7161-a53a-a008d3fc4e70" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_019c96d9-e426-7f06-9128-a0e896302318" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_019c96d9-e426-7fbb-9aff-5ad1efa06a87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019c96d9-e426-7161-a53a-a008d3fc4e70" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_019c96d9-e426-7fbb-9aff-5ad1efa06a87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e426-71d3-97e0-522d02110e51" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_019c96d9-e426-7c3b-aae3-5f040c5b76cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e426-71d3-97e0-522d02110e51" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_019c96d9-e426-7c3b-aae3-5f040c5b76cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_019c96d9-e426-71a3-a03b-cdb9bb766532" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e426-71d3-97e0-522d02110e51" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_019c96d9-e426-71a3-a03b-cdb9bb766532" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/FinancialAssetsandLiabilitiesScheduleofCashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#FinancialAssetsandLiabilitiesScheduleofCashCashEquivalentsandRestrictedCashDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/FinancialAssetsandLiabilitiesScheduleofCashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c96d9-e426-7eac-aac1-d7aeca61cffe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c96d9-e426-7682-8541-e1dbccbd4a2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c96d9-e426-7eac-aac1-d7aeca61cffe" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c96d9-e426-7682-8541-e1dbccbd4a2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_019c96d9-e426-7957-9fb9-2d962723f47b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c96d9-e426-7eac-aac1-d7aeca61cffe" xlink:to="loc_us-gaap_RestrictedCashCurrent_019c96d9-e426-7957-9fb9-2d962723f47b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_019c96d9-e426-75f3-861e-3b905966e417" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c96d9-e426-7eac-aac1-d7aeca61cffe" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_019c96d9-e426-75f3-861e-3b905966e417" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#FairValueMeasurementsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019c96d9-e4d1-78cc-bba8-5ab5379d8832" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019c96d9-e4d1-76fb-8ec6-87e06ada2d01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019c96d9-e4d1-78cc-bba8-5ab5379d8832" xlink:to="loc_us-gaap_DerivativeLiabilities_019c96d9-e4d1-76fb-8ec6-87e06ada2d01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_019c96d9-e4d1-7dd1-8daa-535259887974" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019c96d9-e4d1-78cc-bba8-5ab5379d8832" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_019c96d9-e4d1-7dd1-8daa-535259887974" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019c96d9-e4d1-79a3-a6d1-f201d31f6029" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019c96d9-e4d1-79a3-a6d1-f201d31f6029" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e4d1-7b7e-9862-3697d06dd503" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c96d9-e4d1-7b7e-9862-3697d06dd503" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019c96d9-e4d1-7e54-b0a1-a8153f83c131" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:to="loc_us-gaap_DerivativeAssets_019c96d9-e4d1-7e54-b0a1-a8153f83c131" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_DisposalGroupIncludingDiscontinuedOperationContingentConsideration_019c96d9-e4d1-79a7-b5c0-44856e516efd" xlink:href="snps-20260430.xsd#snps_DisposalGroupIncludingDiscontinuedOperationContingentConsideration"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:to="loc_snps_DisposalGroupIncludingDiscontinuedOperationContingentConsideration_019c96d9-e4d1-79a7-b5c0-44856e516efd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationPlanAssets_019c96d9-e4d1-7f19-8c50-8143371ff9bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationPlanAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:to="loc_us-gaap_DeferredCompensationPlanAssets_019c96d9-e4d1-7f19-8c50-8143371ff9bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFVNINoncurrent_019c96d9-e4d1-78ec-896a-abbe722a88ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFVNINoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c96d9-e4d1-704e-b8eb-294d194c903d" xlink:to="loc_us-gaap_EquitySecuritiesFVNINoncurrent_019c96d9-e4d1-78ec-896a-abbe722a88ad" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofBorrowingsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofBorrowingsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofBorrowingsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019c96d9-e4d1-73d3-b884-8deac53f6751" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019c96d9-e4d1-77cb-9540-f6219b921bca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c96d9-e4d1-73d3-b884-8deac53f6751" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019c96d9-e4d1-77cb-9540-f6219b921bca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019c96d9-e4d1-7353-9cef-559fff369526" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c96d9-e4d1-73d3-b884-8deac53f6751" xlink:to="loc_us-gaap_LongTermDebtCurrent_019c96d9-e4d1-7353-9cef-559fff369526" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofBorrowingsDetails_1" xlink:type="simple" xlink:href="snps-20260430.xsd#SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofBorrowingsDetails_1"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofBorrowingsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019c96d9-e4d1-7016-b334-84d935ad7c55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7c7b-910e-47475be9c8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c96d9-e4d1-7016-b334-84d935ad7c55" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7c7b-910e-47475be9c8c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_019c96d9-e4d1-75fa-bdfa-475c5a9768a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLongTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c96d9-e4d1-7016-b334-84d935ad7c55" xlink:to="loc_us-gaap_OtherLongTermDebt_019c96d9-e4d1-75fa-bdfa-475c5a9768a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019c96d9-e4d1-7dec-9126-1a49f68abe12" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c96d9-e4d1-7016-b334-84d935ad7c55" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019c96d9-e4d1-7dec-9126-1a49f68abe12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_DeferredPaymentLiabilityOnSettlementOfDerivative_019c96d9-e4d1-7f58-9927-5a5c4ce0f341" xlink:href="snps-20260430.xsd#snps_DeferredPaymentLiabilityOnSettlementOfDerivative"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c96d9-e4d1-7016-b334-84d935ad7c55" xlink:to="loc_snps_DeferredPaymentLiabilityOnSettlementOfDerivative_019c96d9-e4d1-7f58-9927-5a5c4ce0f341" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofFuturePrincipalPaymentsofDebtDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofFuturePrincipalPaymentsofDebtDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/SeniorNotesBridgeCommitmentLetterTermLoanandRevolvingCreditFacilitiesScheduleofFuturePrincipalPaymentsofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019c96d9-e4d1-702a-82fe-c85e6feba932" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019c96d9-e4d1-702a-82fe-c85e6feba932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_LongTermDebtMaturityAfterYearFour_019c96d9-e4d1-78b7-bcbb-015f74bff8d3" xlink:href="snps-20260430.xsd#snps_LongTermDebtMaturityAfterYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:to="loc_snps_LongTermDebtMaturityAfterYearFour_019c96d9-e4d1-78b7-bcbb-015f74bff8d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019c96d9-e4d1-70c7-9128-235f7ca80dd0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019c96d9-e4d1-70c7-9128-235f7ca80dd0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019c96d9-e4d1-7280-8c86-cc45d87840d4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019c96d9-e4d1-7280-8c86-cc45d87840d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019c96d9-e4d1-7f1e-974c-de00160578cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019c96d9-e4d1-7f1e-974c-de00160578cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019c96d9-e4d1-7063-b1a0-54f19a976dde" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c96d9-e4d1-7427-9ad7-288c707d2ee4" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019c96d9-e4d1-7063-b1a0-54f19a976dde" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/LeasesScheduleofComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#LeasesScheduleofComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/LeasesScheduleofComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_019c96d9-e4d1-75ea-b938-f779d21a25df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_019c96d9-e4d1-7975-9051-068320a73a26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019c96d9-e4d1-75ea-b938-f779d21a25df" xlink:to="loc_us-gaap_OperatingLeaseCost_019c96d9-e4d1-7975-9051-068320a73a26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_019c96d9-e4d1-74a2-bf0e-eb8e02129441" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019c96d9-e4d1-75ea-b938-f779d21a25df" xlink:to="loc_us-gaap_VariableLeaseCost_019c96d9-e4d1-74a2-bf0e-eb8e02129441" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/LeasesScheduleofFutureMinimumPaymentsDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#LeasesScheduleofFutureMinimumPaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/LeasesScheduleofFutureMinimumPaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019c96d9-e4d1-716a-813b-d03b71319030" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019c96d9-e4d1-716a-813b-d03b71319030" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019c96d9-e4d1-795f-99f3-86c6829a4e3a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019c96d9-e4d1-795f-99f3-86c6829a4e3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019c96d9-e4d1-704c-a7e9-04617112d169" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019c96d9-e4d1-704c-a7e9-04617112d169" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_019c96d9-e4d1-7c66-b424-de3c98713463" xlink:href="snps-20260430.xsd#snps_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:to="loc_snps_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_019c96d9-e4d1-7c66-b424-de3c98713463" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019c96d9-e4d1-7980-9b03-ceff89cd3625" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019c96d9-e4d1-7980-9b03-ceff89cd3625" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019c96d9-e4d1-7ec2-a94c-0e22f238a7c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-70bd-8d01-05762804cf58" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019c96d9-e4d1-7ec2-a94c-0e22f238a7c2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/LeasesScheduleofFutureMinimumPaymentsDetails_1" xlink:type="simple" xlink:href="snps-20260430.xsd#LeasesScheduleofFutureMinimumPaymentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/LeasesScheduleofFutureMinimumPaymentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-79a9-82f1-fa5dbebb19e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019c96d9-e4d1-7966-90cb-9acbf1174c62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-79a9-82f1-fa5dbebb19e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019c96d9-e4d1-7966-90cb-9acbf1174c62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019c96d9-e4d1-798b-853e-351550dd60ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c96d9-e4d1-79a9-82f1-fa5dbebb19e1" xlink:to="loc_us-gaap_OperatingLeaseLiability_019c96d9-e4d1-798b-853e-351550dd60ec" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/LeasesScheduleofSubleaseIncomefromFacilitiesUnderOperatingLeasesDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#LeasesScheduleofSubleaseIncomefromFacilitiesUnderOperatingLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/LeasesScheduleofSubleaseIncomefromFacilitiesUnderOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_019c96d9-e4d1-7673-801e-a7e293ecc55f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear_019c96d9-e4d1-7b28-bca9-910fed61bc2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_019c96d9-e4d1-7673-801e-a7e293ecc55f" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear_019c96d9-e4d1-7b28-bca9-910fed61bc2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_019c96d9-e4d1-7bfe-af2b-9adea0c536c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_019c96d9-e4d1-7673-801e-a7e293ecc55f" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_019c96d9-e4d1-7bfe-af2b-9adea0c536c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_019c96d9-e4d1-77bf-9cfe-670718a8536f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_019c96d9-e4d1-7673-801e-a7e293ecc55f" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_019c96d9-e4d1-77bf-9cfe-670718a8536f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_019c96d9-e4d1-7b07-9bf6-e250c99d6b12" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_019c96d9-e4d1-7673-801e-a7e293ecc55f" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_019c96d9-e4d1-7b07-9bf6-e250c99d6b12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_019c96d9-e4d1-7a4b-90c5-e5c0ffa91b18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_019c96d9-e4d1-7673-801e-a7e293ecc55f" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_019c96d9-e4d1-7a4b-90c5-e5c0ffa91b18" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/StockBasedCompensationScheduleofStockCompensationExpenseDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#StockBasedCompensationScheduleofStockCompensationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/StockBasedCompensationScheduleofStockCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019c96d9-e4d2-764c-9914-76d775d82b59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019c96d9-e4d2-7034-977c-932a8aab1329" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019c96d9-e4d2-764c-9914-76d775d82b59" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019c96d9-e4d2-7034-977c-932a8aab1329" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_019c96d9-e4d2-7494-9c93-8b60c715a722" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019c96d9-e4d2-764c-9914-76d775d82b59" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_019c96d9-e4d2-7494-9c93-8b60c715a722" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/NetIncomeLossPerShareScheduleofReconciliationofWeightedAverageCommonSharesUsedtoCalculateNetIncomePerShareDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#NetIncomeLossPerShareScheduleofReconciliationofWeightedAverageCommonSharesUsedtoCalculateNetIncomePerShareDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/NetIncomeLossPerShareScheduleofReconciliationofWeightedAverageCommonSharesUsedtoCalculateNetIncomePerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c96d9-e4d2-76db-8703-122eec11ac4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019c96d9-e4d2-7a9e-9ca6-72aeb330cc7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c96d9-e4d2-76db-8703-122eec11ac4e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019c96d9-e4d2-7a9e-9ca6-72aeb330cc7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019c96d9-e4d2-780c-beb8-5fe707ddb162" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c96d9-e4d2-76db-8703-122eec11ac4e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019c96d9-e4d2-780c-beb8-5fe707ddb162" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.synopsys.com/role/OtherIncomeExpenseNetDetails" xlink:type="simple" xlink:href="snps-20260430.xsd#OtherIncomeExpenseNetDetails"/>
  <link:calculationLink xlink:role="http://www.synopsys.com/role/OtherIncomeExpenseNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeOther_019c96d9-e4d2-7ee1-bf0b-e780cd615082" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:to="loc_us-gaap_InterestIncomeOther_019c96d9-e4d2-7ee1-bf0b-e780cd615082" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_snps_GainLossOnAssetsRelatedToDeferredCompensationPlan_019c96d9-e4d2-75a2-9e5e-0b2c58e326fe" xlink:href="snps-20260430.xsd#snps_GainLossOnAssetsRelatedToDeferredCompensationPlan"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:to="loc_snps_GainLossOnAssetsRelatedToDeferredCompensationPlan_019c96d9-e4d2-75a2-9e5e-0b2c58e326fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019c96d9-e4d2-7a1b-991b-128e939c1b9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019c96d9-e4d2-7a1b-991b-128e939c1b9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019c96d9-e4d2-723c-a41d-fdf41ac90fa7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019c96d9-e4d2-723c-a41d-fdf41ac90fa7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfInvestments_019d4c90-2e1f-747f-9a95-28b869c952fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfInvestments"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:to="loc_us-gaap_GainLossOnSaleOfInvestments_019d4c90-2e1f-747f-9a95-28b869c952fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019d4c90-2e1f-753c-946a-bfe7ce919633" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019c96d9-e4d2-7e3e-aaa3-b30d581b8695" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019d4c90-2e1f-753c-946a-bfe7ce919633" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
