Returns an integer indicating the sign of a number.
Sgn(number)
The number argument can be any valid numeric expression.
The Sgnhas the following return values:
| If number is | Sgn returns |
|---|---|
| Greater than zero | 1 |
| Equal to zero | 0 |
| Less than zero | -1 |
The sign of the number argument determines the return value of the Sgn function.