Noun calculator has 2 senses
  1. calculator, calculating machine - a small machine that is used for mathematical calculations
    --1 is a kind of machine
    --1 has particulars:
     abacus; adder; adding machine, totalizer, totaliser; counter, tabulator; hand calculator, pocket calculator; Napier's bones, Napier's rods; quipu; subtracter
    Derived form: verb calculate1
  2. calculator, reckoner, figurer, estimator, computer - an expert at calculation (or at operating calculating machines)
    --2 is a kind of expert
    --2 has particulars:
     adder; number cruncher; statistician, actuary; subtracter
    Derived form: verb calculate1
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