ABS() returns the absolute value of a number. The absolute value is the positive value of a number without regard to its sign. This function is particularly useful when you need to work with distances, differences, or any scenario where the magnitude of a number is important regardless of its direction.
ABS(number)
ABS() returns a numeric value of the same type as the input
ABS(-42) = 42
ABS(0) = 0
ABS(33) = 33
ABS(-3.14) = 3.14
ABS(3.14) = 3.14