Function ceil

Round a value towards plus infinity If x is complex, both real and imaginary part are rounded towards plus infinity. For matrices, the function is evaluated element wise.

Syntax

ceil(x)

Parameters

Parameter Type Description
x number | BigNumber | Fraction | Complex | Array | Matrix Number to be rounded

Returns

Type Description
number | BigNumber | Fraction | Complex | Array | Matrix Rounded value

Examples

ceil(3.2);               // returns number 4
ceil(3.8);               // returns number 4
ceil(-4.2);              // returns number -4
ceil(-4.7);              // returns number -4

var c = complex(3.2, -2.7);
ceil(c);                 // returns Complex 4 - 2i

ceil([3.2, 3.8, -4.7]);  // returns Array [4, 4, -4]

See also

floor, fix, round