Definitions of calculator
  1. noun
    a small machine that is used for mathematical calculations
    synonyms: calculating machine
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    a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves
    a machine that adds numbers
    adding machine, totaliser, totalizer
    a calculator that performs simple arithmetic functions
    counter, tabulator
    a calculator that keeps a record of the number of times something happens
    hand calculator, pocket calculator
    a calculator small enough to hold in the hand or carry in a pocket
    Napier's bones, Napier's rods
    a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
    calculator consisting of a cord with attached cords; used by ancient Peruvians for calculating and keeping records
    a machine that subtracts numbers
    pulse counter
    an electronic counter that counts the number of electric pulses
    type of:
    any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
  2. noun
    an expert at calculation (or at operating calculating machines)
    synonyms: computer, estimator, figurer, reckoner
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    a person who adds numbers
    number cruncher
    someone able to perform complex and lengthy calculations
    actuary, statistician
    someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)
    a person who subtracts numbers
    someone who conducts a statistical survey
    type of:
    a person with special knowledge or ability who performs skillfully
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