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real numbers

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real number

  [ree-uhl, reel]
Use real numbers in a Sentence
–noun Mathematics.
a rational number or the limit of a sequence of rational numbers, as opposed to a complex number.
Also called real.

Origin:
1905–10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Science Dictionary
real number   (rē'əl)  Pronunciation Key 
A number that can be written as a terminating or nonterminating decimal; a rational or irrational number. The numbers 2, -12.5, 3/7 , and pi (π) are all real numbers.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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