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calculator

 [kal-kyuh-ley-ter]   Origin

cal·cu·la·tor

   [kal-kyuh-ley-ter]
noun
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 operates such a machine.
4.
a set of tables that facilitates calculation.
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Origin:
1375–1425; late Middle English < Latin; see calculate, -tor

Related forms
min·i·cal·cu·la·tor, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Calculator is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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Collins
World English Dictionary
calculator (ˈkælkjʊˌleɪtə)
 
—n
1.  a device for performing mathematical calculations, esp an electronic device that can be held in the hand
2.  a person or thing that calculates
3.  a set of tables used as an aid to calculations

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

calculator
late 14c., "mathematician, one who calculates," from L. calculator, from calculatus, pp. of calculare "to reckon, compute," from calculus (see calculus). Of mechanical adding machine contraptions, from 1784. Of electronic ones, from 1946.
EXPAND
"Electronic calculator uses 18,000 tubes to solve complex problems" ["Scientific American" headline, June 1946]
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

calculator definition


An electronic device for performing automatic mathematical computations, usually controlled by a keyboard. Some are actually small computers, with limited memory, that allow the user to use simple programs.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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FOLDOC
Computing Dictionary

calculator definition


bitty box

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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