Syntax
FACTD(<number>)
Description
Returns the double factorial of a number (0 <= number < 21).
Examples
Column1 | FACTD() returns |
---|---|
3 | 6 |
4 | 24 |
8 | 40,320 |
21 | <error> |
-3 | <error> |
FACTD(<number>)
Returns the double factorial of a number (0 <= number < 21).
Column1 | FACTD() returns |
---|---|
3 | 6 |
4 | 24 |
8 | 40,320 |
21 | <error> |
-3 | <error> |