Returns the least integer greater than or equal to the number n.
The ceiling function returns the least integer greater than or equal to a number. For example, the ceiling of returns the integer . The function is useful for rounding numbers up to the nearest integer.
ceil(6.28) = 7 ceil(1.3) = 2 ceil(2.0) = 2 ceil(0.8) = 1 ceil(7.813) = 8 ceil(16.21) = 17 ceil(5.0) = 5 ceil(5.1) = 6
Returns the integer part of the number n.
Returns the nearest integer to the number n.