calculator

Plural: calculators

Noun

• an expert at calculation (or at operating calculating machines)
• a small machine that is used for mathematical calculations
• A mechanical or electronic device that performs mathematical calculations; sometimes, an electronic one specifically.
• A person who performs mathematical calculation.
• A person who calculates (in the sense of scheming).
• A set of mathematical tables.

Examples

• During the war, his grandmother had worked at the Bletchley Park decoding station as a calculator.
• electronic calculator;   pocket calculator
• He revealed himself to be a cold-blooded calculator out to sabotage his colleagues.
• I told him to hand me a calculator and he jokingly placed an adding machine at my side.
• The calculator on a bookkeeper's desk in the 1950s was an adding machine with mechanical guts.

Synonyms

calculating machine, computer, estimator, figurer, reckoner, ready reckoner

Related Words

calculate, ready reckoner, slide rule, tables