Look up rational in Wiktionary, the free dictionary.

Rational may refer to:

  • Rational number, a number that can be expressed as a ratio of two integers
  • Rational point of an algebraic variety, a point defined over the rational numbers
  • Rational function, a function that may be defined as the quotient of two polynomials
  • Rational fraction, an expression built from the integers and some variables by addition, subtraction, multiplication and division
  • Rational Software, a software company now owned by IBM
  • Tenberry Software, formerly Rational Systems, a defunct American software company
  • Rational AG, a German manufacturer of food processors
  • RationaL, stage name of Canadian hip-hop artist Matt Brotzel
  • The Rationals, a former American rock and roll band
  • Rational, a personality classification in the Keirsey Temperament Sorter
  • Priestly breastplate, called a 'rational' in older Biblical translations, from the Vulgate name for the breastplate: 'rationale'

See also

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