![]() It was designed to calculate astronomical positions. The Antikythera mechanism is believed to be the earliest known mechanical analog computer, according to Derek J. The Antikythera mechanism, dating back to ancient Greece circa 150–100 BC, is an early analog computing device. The Online Etymology Dictionary states that the use of the term to mean "'calculating machine' (of any type) is from 1897." The Online Etymology Dictionary indicates that the "modern use" of the term, to mean 'programmable digital electronic computer' dates from "1945 under this name theoretical from 1937, as Turing machine". The Online Etymology Dictionary gives the first attested use of computer in the 1640s, meaning 'one who calculates' this is an "agent noun from compute (v.)". ![]() By 1943, most human computers were women. During the latter part of this period women were often hired as computers because they could be paid less than their male counterparts. The word continued with the same meaning until the middle of the 20th century.
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