| expression | The value (REAL or INTEGER) for which to return the absolute value. |
| Return: | ABS returns a single value of the same type as the expression. |
The ABS function returns the absolute value of the expression (always a non-negative number).
Example:
AbsVal1 := ABS(1); // returns 1
AbsVal2 := ABS(-1); // returns 1
OUTPUT(AbsVal1);
OUTPUT(AbsVal2);