Calculator meaning

kălkyə-lātər
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A set of mathematical tables used to aid in calculating.
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A machine that provides arithmetic capabilities. The most basic calculators, which can cost pennies to purchase, add, subtract, multiply and divide. More advanced devices handle sines, cosines and other trigonometric functions. Whether mechanical or electronic, all calculators accept numeric input from dials, levers or a keypad. The results are displayed as mechanical digits, on punched paper tape or on a screen, such as an LCD. Unlike computers, calculators perform a finite set of functions, and they cannot handle text.
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One that calculates, as:
  • An electronic or mechanical device for the performance of mathematical computations.
  • A person who operates such a machine or otherwise makes calculations.
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A person who calculates.
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A book of tables for calculating.
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A mechanical or electronic device for the automatic performance of mathematical operations.
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(dated) A person who performs mathematical calculation.
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A person who calculates (in the sense of scheming).
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Origin of calculator