CALCULATOR
calculator, calculating machine
(noun) a small machine that is used for mathematical calculations; can be mechanical or electronic
calculator, reckoner, figurer, estimator, computer
(noun) an expert at calculation (or at operating calculating machines)
Source: WordNet® 3.1
Etymology
Noun
calculator (plural calculators)
A mechanical or electronic device that performs mathematical calculations.
(dated) A person who performs mathematical calculation
A person who calculates (in the sense of scheming).
(obsolete) A set of mathematical tables.
Synonyms
• (electronic device): electronic calculator, pocket calculator
• (mechanical device): adding machine
• (person who performs mathematical calculations): computer (dated)
• (person who schemes): plotter, schemer
• (mathematical tables): ready reckoner, tables
Source: Wiktionary
Cal"cu*la*tor, n. Etym: [L.: cf. F. calculateur.]
Definition: One who computes or reckons: one who estimates or considers the
force and effect of causes, with a view to form a correct estimate of
the effects.
Ambition is no exact calculator. Burke.
Source: Webster’s Unabridged Dictionary 1913 Edition