calculator/ˈkæl.kjə.leɪ.tə(ɹ)/EtymologyIn the sense of a person, from Middle English calkelatour (“a mathematician, an astrologer”), borrowed from Latin calculātor, equivalent to calculate + -or. The other meanings arose in Modern English.calculator means A mechanical or electronic device that performs mathematical calculations; (now usually) an electronic one specifically. Lexicurio rates it Rare gem — a strength score of 73 out of 100.nounA mechanical or electronic device that performs mathematical calculations; (now usually) an electronic one specifically.“electronic calculator; pocket calculator”A person who performs mathematical calculation.“During the war, his grandmother had worked at the Bletchley Park decoding station as a calculator.”A person who calculates (in the sense of scheming).“Near-synonyms: schemer, plotter; manipulator”A set of mathematical tables.