Fabs - Script and chart function
                Fabs() returns the absolute value of x. The result is a positive number.
Syntax:
fabs(x)
Return data type: numeric
Examples and results:
| Examples | Results | 
|---|---|
| 
                                 fabs( 2.4 )  | 
                            Returns 2.4 | 
| fabs( -3.8 ) | Returns 3.8 |