SIGN( ) Function
Returns a numeric value of 1, –1, or 0 if the specified numeric expression evaluates to a positive, negative, or 0 value.
SIGN(nExpression)
Return Value
Numeric
Parameters
- nExpression
Specifies the numeric expression SIGN( ) evaluates. SIGN( ) returns 1 if nExpression evaluates to a positive number, –1 if nExpression evaluates to a negative number, and 0 if nExpression evaluates to 0.
Example
STORE 10 TO gnNum1
STORE -10 TO gnNum2
STORE 0 TO gnZero
CLEAR
? SIGN(gnNum1) && Displays 1
? SIGN(gnNum2) && Displays -1
? SIGN(gnZero) && Displays 0