nnoun.personan expert at calculation (or at operating calculating machines)Synset:computer estimator figurer reckoner
Derivationally Related Form:computecalculatefigureestimatereckoncomputerise
Hypernyms:expert
Inherited Hypernyms:calculatorexpertpersoncausal agentphysical entityentity
Inherited Hypernyms:calculatorexpertpersonorganismliving thingwholeobjectphysical entityentity
Direct Hyponyms:actuaryaddernumber cruncherstatisticiansubtracter
Full Hyponyms:addernumber cruncherstatisticiansubtractersurveyor
nnoun.artifacta small machine that is used for mathematical calculations; can be mechanical or electronicSynset:calculating machine
Derivationally Related Form:calculate
Hypernyms:machine
Inherited Hypernyms:calculatormachinedeviceinstrumentalityartifactwholeobjectphysical entityentity
Direct Hyponyms:Napier's bonesNapier's rodsabacusadderadding machinecounterhand calculatorpocket calculatorquipusubtractertabulatortotalisertotalizer
Full Hyponyms:abacusadderadding machinecounterhand calculatornapier's bonespulse counterquipuscalersubtracter