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Built-in Functions / Algebraic Computation / Formula Manipulation /

Rationals

Usage

• Rationals represents the domain of rational numbers, as in x Rationals.


Notes

• x Rationals evaluates immediately only if x is a numeric quantity.
• Simplify[expr Rationals] can be used to try to determine whether an expression corresponds to a rational number.
• The domain of integers is taken to be a subset of the domain of rationals.
• Rationals is output in TraditionalForm as .
• See Section 3.3.11.
• See also: Element, Simplify, Algebraics, Integers, Rational, Denominator.
• New in Version 4.
Further Examples


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