The ceil() function in Dart returns the nearest smallest integer value greater than or equal to a number.
The figure below shows the mathematical representation of the ceil() function.
number.ceil()
This function does not require a parameter.
ceil() returns the nearest, smallest integer value greater than or equal to a number.
The code below shows the use of the ceil() function in Dart.
import 'dart:convert';void main() {//positive numberprint("The value of (1.5).ceil(): ${(1.5).ceil()} ");// negative numberprint("The value of (-5.5).ceil(): ${(-5.5).ceil()} ");//zeroprint("The value of (0).ceil(): ${(0).ceil()}");}
1.5 using ceil().-5.5 using ceil().0 using ceil().