a person who calculates or computes.
Also called calculating machine. a small electronic or mechanical device that performs calculations, requiring manual action for each individual opertion.
a person who operates such a machine.
a set of tables that facilitates calculation.
Contemporary Examples

Is the Internet Making Us Forgetful? Michael S. Malone’s ‘The Guardian of All Things’ Austen Rosenfeld August 24, 2012
The Google Killer Nicholas Ciarelli May 7, 2009
Up to Speed: The Cholesterol Mess Kent Sepkowitz November 18, 2013
Immigration Reform: Not a Magic Cure for the GOP David Frum May 5, 2013
At Davos 2014, The Gods Of Mischief Rule Christopher Dickey January 20, 2014

Historical Examples

Triplanetary Edward Elmer Smith
Spacehounds of IPC Edward Elmer Smith
The Chainbearer J. Fenimore Cooper
Unwise Child Gordon Randall Garrett
Fee of the Frontier Horace Brown Fyfe

a device for performing mathematical calculations, esp an electronic device that can be held in the hand
a person or thing that calculates
a set of tables used as an aid to calculations

Electronic calculator uses 18,000 tubes to solve complex problems [“Scientific American” headline, June 1946]


Read Also:

  • Calculatory

    the act or process of calculating; computation. the result or product of calculating: His calculations agree with ours. an estimate based on the known facts; forecast: Her calculation of the building costs proved quite accurate. forethought; prior or careful planning. scheming selfishness. noun the act, process, or result of calculating an estimation of probability; forecast […]

  • Calculi

    Mathematics. a method of calculation, especially one of several highly systematic methods of treating problems by a special system of algebraic notations, as differential or integral calculus. Pathology. a stone, or concretion, formed in the gallbladder, kidneys, or other parts of the body. Also called tartar. Dentistry. a hard, yellowish to brownish-black deposit on teeth […]

  • Calculosis


  • Calculous

    characterized by the presence of calculus, or stone. Historical Examples Cooley’s Practical Receipts, Volume II Arnold Cooley New, Old, and Forgotten Remedies: Papers by Many Writers Various Ginseng and Other Medicinal Plants A. R. (Arthur Robert) Harding Literary and General Lectures and Essays Charles Kingsley adjective (pathol) of or suffering from a calculus

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