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| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" use="optional" order="2" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MarketableSecuritiesCurrent" xlink:label="loc_us-gaap_MarketableSecuritiesCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent" use="optional" order="3" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent" use="optional" order="4" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="genc-20220630.xsd#genc_CostsAndEstimatedEarningsInExcessOfBillingsOnUncompletedContractsCurrent" xlink:label="loc_GENC_CostsAndEstimatedEarningsInExcessOfBillingsOnUncompletedContractsCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="loc_GENC_CostsAndEstimatedEarningsInExcessOfBillingsOnUncompletedContractsCurrent" use="optional" order="5" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="loc_us-gaap_InventoryNet" use="optional" order="6" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" use="optional" order="7" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet" use="optional" order="8" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="genc-20220630.xsd#genc_DeferredIncomeTaxesAndOtherTaxReceivableNonCurrent" xlink:label="loc_GENC_DeferredIncomeTaxesAndOtherTaxReceivableNonCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets" xlink:to="loc_GENC_DeferredIncomeTaxesAndOtherTaxReceivableNonCurrent" use="optional" order="9" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets" xlink:to="loc_us-gaap_OtherAssetsNoncurrent" use="optional" order="10" weight="1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.gencor.com/role/CondensedConsolidatedBalanceSheets"> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaap_Liabilities" use="optional" order="11" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities" xlink:to="loc_us-gaap_LiabilitiesCurrent" use="optional" order="12" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="loc_us-gaap_AccountsPayableCurrent" use="optional" order="13" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent" use="optional" order="14" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent" use="optional" order="15" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent" use="optional" order="16" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities" xlink:to="loc_us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent" use="optional" order="17" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" use="optional" order="18" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaap_StockholdersEquity" use="optional" order="19" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="loc_us-gaap_PreferredStockValue" use="optional" order="20" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="loc_us-gaap_CommonStockValue" use="optional" order="21" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock" use="optional" order="22" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit" use="optional" order="23" weight="1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.gencor.com/role/LeasesSummaryOfFutureAnnualMinimumLeasePaymentsDetail"> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" use="optional" order="1" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" use="optional" order="2" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" use="optional" order="3" weight="1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.gencor.com/role/CostsAndEstimatedEarningsInExcessOfBillingsCostsAndEstimatedEarningsInExcessOfBillingsDetail"> |
| | <loc xlink:type="locator" xlink:href="genc-20220630.xsd#genc_CostsAndEstimatedEarningsOnUncompletedContracts" xlink:label="loc_GENC_CostsAndEstimatedEarningsOnUncompletedContracts"/> |
| | <loc xlink:type="locator" xlink:href="genc-20220630.xsd#genc_CostsIncurredOnUncompletedContracts" xlink:label="loc_GENC_CostsIncurredOnUncompletedContracts"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_GENC_CostsAndEstimatedEarningsOnUncompletedContracts" xlink:to="loc_GENC_CostsIncurredOnUncompletedContracts" use="optional" order="1" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="genc-20220630.xsd#genc_EstimatedEarningsOnUncompletedContracts" xlink:label="loc_GENC_EstimatedEarningsOnUncompletedContracts"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_GENC_CostsAndEstimatedEarningsOnUncompletedContracts" xlink:to="loc_GENC_EstimatedEarningsOnUncompletedContracts" use="optional" order="2" weight="1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.gencor.com/role/InventoriesNetInventoriesDetail"> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves" use="optional" order="1" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves" use="optional" order="2" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves" use="optional" order="3" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="genc-20220630.xsd#genc_InventoryUsedEquipment" xlink:label="loc_GENC_InventoryUsedEquipment"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet" xlink:to="loc_GENC_InventoryUsedEquipment" use="optional" order="4" weight="1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.gencor.com/role/EarningsLossPerShareDataBasicAndDilutedEarningsLossPerShareDetail"> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" use="optional" order="1" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" use="optional" order="2" weight="1"/> |
| | </calculationLink> |
| </linkbase> |