math.ceil

var ceiling1 = Math.ceil(4.7); //5 
var ceiling2 = Math.ceil(-3.4); //-3

Math.ceil(1.2);
// 2

Math.ceil(x); //This equals the next whole number after x. X must be a double.

//Example use:
x = Math.ceil(x);
//Now x is equal to x rounded up.

Mathf.Ceil(10.0F)

Math.ceil()

Math.ceil(.95);    // 1
Math.ceil(4);      // 4
Math.ceil(7.004);  // 8
Math.ceil(-0.95);  // -0
Math.ceil(-4);     // -4
Math.ceil(-7.004); // -7

ceil ( float $value ) : float
Returns the next highest integer value by rounding up value if necessary.

Math.ceil(1.4)