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calculator

 - 4 dictionary results

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.

Origin:
1375–1425; late ME < L; see calculate, -tor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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cal·cu·la·tor   (kāl'kyə-lā'tər)   
n.  
  1. One that calculates, as:

    1. An electronic or mechanical device for the performance of mathematical computations.

    2. A person who operates such a machine or otherwise makes calculations.

  2. A set of mathematical tables used to aid in calculating.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

calculator

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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Computing Dictionary

calculator
bitty box

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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