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 | 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