Investment Studio > Expressions > Functions > Math & Trig > FACT

float fact(integer argument)

Returns the factorial of the argument, i.e. argument! = 1 * 2 * 3 * ... * argument. The argument must be a natural number (integer > 0).

Example

=fact(6)

equals 6! = 1 * 2 * 3 * 4 * 5 * 6 = 720.

See also binomdist, combin, critbinom, factdouble, gamma, hypgeomdist, negbinomdist, permut.