Abs()
The ABS("x" in "unit") function returns the absolute value for each element of "x" based on the given "unit".
Syntax
Abs(expression)
expression: signal expression
Example
Abs("casing head temperature" in "degC")
Returns the absolute value of the casing head temperature in degree Celsius
As you see in the following table the ABS function produces following output based on the 'original signal' as input: