Returns the absolute value of a numeric expression.
Abs ( numExpr )
numExpr
Any numeric expression.
Abs returns the absolute value of numExpr.
The data type of the return value is the same as the data type of numExpr, unless numExpr is a Variant. In that case, the following rules apply:
The absolute value of a number is its unsigned magnitude; for example, 3 and -3 both have an absolute value of 3.