OpenOffice3.org Calc 3. Mathematical Functions
ABS(number) Function
Returns the absolute value of argument “number”. This function always returns a
positive number, regardless of the argument to take the function. The argument
“number” can take any positive or negative numerical value. For example:
=ABS(-2) Returns 2. The absolute value of -2 is 2.
=ABS(0) Returns 0.
=ABS(2,5) Returns 2,5.