Calculator

//ˈkæl.kjə.leɪ.tə(ɹ)// noun

Definitions

Noun
  1. 1
    A mechanical or electronic device that performs mathematical calculations; sometimes, an electronic one specifically.

    "electronic calculator;   pocket calculator"

  2. 2
    a small machine that is used for mathematical calculations; can be mechanical or electronic wordnet
  3. 3
    A person who performs mathematical calculation. historical

    "During the war, his grandmother had worked at the Bletchley Park decoding station as a calculator."

  4. 4
    an expert at calculation (or at operating calculating machines) wordnet
  5. 5
    A person who calculates (in the sense of scheming).

    "Near-synonyms: schemer, plotter; manipulator"

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  1. 6
    A set of mathematical tables. obsolete

Etymology

In the sense of a person, from Middle English calkelatour (“mathematician, astrologer”), borrowed from Latin calculātor, equivalent to calculate + -or. The other meanings arose in Modern English.

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