8.4.1 Abs Function

Returns the absolute value of a number.
Syntax
Abs(number)
Arguments
- number
- Any valid numeric expression. If number contains Null, Null is returned; if it is an uninitialized variable, zero is returned.
Remarks
The absolute value of a number is its unsigned magnitude. For example, Abs(-1) and Abs(1) both return 1.
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