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fact

Factorial.

Syntax

Section titled “Syntax”
v = fact(number)

Description

Section titled “Description”

Returns n! — the product of all integers from 1 to number. number must be a non-negative integer; the fractional part is truncated.

Examples

Section titled “Examples”
fact(5)        % 120
fact(10)       % 3628800

See also

Section titled “See also”
  • factdouble — Double factorial.
  • combin — Number of unordered selections (combinations) of k from n.
  • permut — Number of ordered selections (permutations) of k from n.
  • multinomial — Multinomial coefficient.