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IntegerReal

Rational

FilledSmallSquareRational is the head used for rational numbers.

FilledSmallSquare You can enter a rational number in the form n/m.

FilledSmallSquare The pattern object _Rational can be used to stand for a rational number. It cannot stand for a single integer.

FilledSmallSquare You have to use Numerator and Denominator to extract parts of Rational numbers.

FilledSmallSquare See The Mathematica Book: Section 3.1.1.

FilledSmallSquare See also: Rationals, Integer, Numerator, Denominator.

Further Examples

IntegerReal