CEILING _ _ _ _ _ _ _ _ _ _ _ _ operator
This operator returns the ceiling (i.e., the least integer greater than or equal to its argument) if its argument has a numerical value. For negative numbers, this is equivalent to fix. For non-numeric arguments, the value is an expression in the original operator.
ceiling 3.4; 4 fix 3.4; 3 ceiling(-5.2); -5 fix(-5.2); -5 ceiling a; CEILING(A)