Ceil

Ceil[ expr ]

Ceil[ expr ] returns the smallest integer greater than or equal to the value of expr.

Example in out
The ceiling of 3.1. Ceil[3.1] 4
The ceiling of x, where x is defined as -3.5 in the script. Ceil[x] -3
The ceiling of sqrt[5]+0.3. Ceil[sqrt[5]+0.3] 3