Availability
This routine is available starting with katl-commons 2.5.
Syntax
fact(number)
Description
Returns the factorial of a number.
Parameters
Parameter | Type | Required | Description |
---|---|---|---|
number | Number | Yes | The non-negative number you want the factorial for. If number is not an integer, it is truncated. |
Return type
number
Example
number a = fact(5); print("a= " + a); number b = fact(3.7); print("b= " + b); number c = fact(-3); print("c= " + c);
Prints:
a= 120 ;
b= 6;
c= NaN;
See also