Look up rational in Wiktionary, the free dictionary.

Rational may refer to:

• Rationality, a concept of reason
• Rational number, a number that can be expressed as a ratio of two integers
• Rational function, a mathematical function which can be written as the ratio of two polynomial functions
• Rational Software, formerly Rational Software Corporation, a software company now owned by IBM
• a central paradigm of Rational Emotive Behavior Therapy
• one of the four temperaments according to the Keirsey Temperament Sorter
• Rational choice theory, a theoretical paradigm in microeconomics

See also

• Rationalism (disambiguation)
• Rationale, a liturgical vestment worn by clergy

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

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