real number

real number
noun Date: circa 1909 a number that has no imaginary part <
the set of all real numbers comprises the rationals and the irrationals

New Collegiate Dictionary. 2001.

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  • real number — n. Math. any rational or irrational number not having an imaginary part …   English World dictionary

  • Real number — For the real numbers used in descriptive set theory, see Baire space (set theory). For the computing datatype, see Floating point number. A symbol of the set of real numbers …   Wikipedia

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  • real number line — noun A geometric representation of the real number system. Syn: real line …   Wiktionary

  • real number system — noun The complete ordered field (of real numbers). See Also: real number line …   Wiktionary

  • real number — /ree euhl, reel/, Math. a rational number or the limit of a sequence of rational numbers, as opposed to a complex number. Also called real. [1905 10] * * * In mathematics, a quantity that can be expressed as a finite or infinite decimal expansion …   Universalium

  • real number — /ril ˈnʌmbə/ (say reel numbuh) noun 1. a number which can be the result of a measurement (opposed to complex number). 2. → decimal number …  

  • real number — See number …   Philosophy dictionary

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