mechanical calculator

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• Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …   Wikipedia

• Calculator — For mechanical precursors to the modern calculator, see mechanical calculator. For other uses, see Calculator (disambiguation). An electronic pocket calculator with a 7‑segment LCD display, that can perform basic arithmetic operations …   Wikipedia

• Mechanical Engineering Heritage (Japan) — Myriad year Japanese clock, Heritage No. 22 The Mechanical Engineering Heritage (Japan) (機械遺産, kikaiisan …   Wikipedia

• calculator — late 14c., mathematician, one who calculates, from L. calculator, from calculatus, pp. of calculare to reckon, compute, from calculus (see CALCULUS (Cf. calculus)). Of mechanical adding machine contraptions, from 1784. Of electronic ones, from… …   Etymology dictionary

• calculator — [kal′kyo͞o lāt΄ər, kal′kyəlāt΄ər] n. 1. a person who calculates 2. a book of tables for calculating 3. a mechanical or electronic device for the automatic performance of mathematical operations …   English World dictionary

• Mechanical computer — Hamman Manus R A mechanical computer is built from mechanical components such as levers and gears, rather than electronic components. The most common examples are adding machines and mechanical counters, which use the turning of gears to… …   Wikipedia

• Calculator (disambiguation) — A calculator is now an electronic hand held device that performs mathematical computations.Calculator can refer to: * Calculator, a calculating device, including earlier mechanical calculators. * Microsoft Calculator, a small calculator… …   Wikipedia

• calculator — noun /ˈkæl.kjə.leɪ.tə(r)/ a) A mechanical or electronic device that performs mathematical calculations. b) A person who performs mathematical calculation Syn: electronic calculator, pocket calculator, adding machine …   Wiktionary

• calculator — /kal kyeuh lay teuhr/, n. 1. a person who calculates or computes. 2. Also called calculating machine. a small electronic or mechanical device that performs calculations, requiring manual action for each individual opertion. 3. a person who… …   Universalium

• calculator — cal•cu•la•tor [[t]ˈkæl kyəˌleɪ tər[/t]] n. 1) elo cmp a small, hand operated electronic or mechanical device that performs calculations 2) math. a set of tables that facilitate calculation 3) a person who calculates • Etymology: 1375–1425 …   From formal English to slang

• Sumlock ANITA calculator — The ANITA Mark VII and ANITA Mark VIII calculators were launched simultaneously in late 1961 as the world s first all electronic desktop calculators. Designed and built by the Bell Punch Co. in Britain, and marketed through its Sumlock… …   Wikipedia