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Rounding numbers in C#


Last Updated:   Category: C# Syntax    
Author: Member Level: Gold    Points: 10






The code below shows how to round number using c# code

Floor will take a double and then convert it to the smallest whole number

System.Console.WriteLine( System.Math.Floor(1.1));
System.Console.WriteLine( System.Math.Floor(1.5));

Answers:
1
1

If you want the largest possible whole number, then you would want Ceiling

System.Console.WriteLine("Ceiling " + System.Math.Ceiling(1.1));
System.Console.WriteLine("Ceiling " + System.Math.Ceiling(1.5));

Answer:
2
2

If you want to round a number to the nearest decimal

System.Console.WriteLine("Round " + System.Math.Round(1.1));
System.Console.WriteLine("Round " + System.Math.Round(1.5));

Answer:
1
2


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