Rounding double value - CSharp Language Basics

CSharp examples for Language Basics:double

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Description

Rounding double value

Demo Code

using System;//from w w w .  j a  v  a2s  .c  o  m
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
class Program
{
   static void Main(string[] args)
   {
      double amount1 = 1234.567;
      double amount2 = 9.876;
      Console.WriteLine("First amount (original value): " + amount1);
      Console.WriteLine("Second amount (original value): " + amount2);
      Console.WriteLine("First amount displayed with cent precision: " + amount1.ToString("N2"));
      Console.WriteLine("Second amount displayed with cent precision: " + amount2.ToString("N2"));
      double roundedAmount1 = Math.Round(amount1, 2); // 2 = two decimal places
      double roundedAmount2 = Math.Round(amount2, 2);
      Console.WriteLine("First amount rounded to cents: " + roundedAmount1);
      Console.WriteLine("Second amount rounded to cents: " + roundedAmount2);
      double sumOfOriginalAmounts = amount1 + amount2;
      double sumOfRoundedAmounts = roundedAmount1 + roundedAmount2;
      Console.WriteLine("Sum of original amounts: " + sumOfOriginalAmounts.ToString("N2"));
      Console.WriteLine("Sum of rounded amounts: " + sumOfRoundedAmounts.ToString("N2"));
      Console.WriteLine("On invoice, we need sum of rounded amounts");
   }
}

Result


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