Type
Math Function

Purpose
The abs function converts a numeric value to a positive, unsigned numeric value.

Syntax
abs( NUMERIC VALUE)

Returns
A numeric value.

Usage
The numeric value in a Math function can be a constant value (as shown below), a variable, a field value or an expression.
The abs function can only be used with a numeric value. A non-numeric value always returns a value of 0.

Examples
abs( -453)
Returns: 453

abs( 4.53)
Returns: 4.53