Abs

Syntax

Abs(num);

num	A numeric expression.

Description

Returns the absolute value of a number.

Returns

The absolute value of the num argument.

Example

The following example illustrates the use of the Abs function.

$c = Abs(Num($a) - Num($b));

In this example, the num argument is a subtraction of Num($b) from Num($a). If $b is 40 and $a is 20, then $c will be the absolute value of -20, i.e. 20.