The FACTORIAL Function

The FACTORIAL function returns an integer that is the factorial of argument-1. The type of this function is integer.

General Format



  1. Argument-1 must be an integer greater than or equal to zero.

Returned Values

  1. If the value of argument-1 is zero, the value 1 is returned.
  2. If the value of argument-1 is positive, its factorial is returned.
  3. Floating-point format is used for numeric non-integer results.