Looking for the documentation on the newest versions of SIL Engine and the Simple Issue Language for Jira 8? Click here and leave these dusty old pages behind!
Availability
This routine is available starting with SIL Engine™ 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