Create a simple calculator using if else condition in which you will take two number as input in c#.

 Create a simple calculator using if else condition in which you will take two number as input and ask user which operation he/she wants to perform.


CODE:

using System;


public class Simple Calculator

{

    public static void Main(string[] args)

    {

         DateTime dt = DateTime.Now;

            Console.WriteLine("{0}",dt);

            Console.WriteLine("=====Simple Calculator=====");

            int num1, num2;

            Console.WriteLine("Enter First Number:");

            num1 = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("Enter Second Number:");

            num2 = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("----Arithmetical Operaters----");

            Console.WriteLine("1.Addition");

            Console.WriteLine("2.Substraction");

            Console.WriteLine("3.Multiplication");

            Console.WriteLine("4.Division");

            char choose;

            Console.WriteLine("Which operation you want to choose:");

            choose = Convert.ToChar(Console.ReadLine());

            

            int result;


            if (choose == '+')

            {

                result = num1 + num2;

                Console.WriteLine("Sum of two number is:{0}", result);

            }

            else if (choose == '-')

            {

                result = num1 - num2;

                Console.WriteLine("Substraction of two Number is:{0}", result);

            }

            else if (choose == '*')

            {

                result = num1 * num2;

                Console.WriteLine("Multiclication of Number is:{0}", result);

            }

            else if (choose == '/')

            {

                if (num2 != 0)

                {

                    result = num1 / num2;

                    Console.WriteLine("Division of Numbers is:{0}", result);

                }

                else

                {

                    Console.WriteLine("Operation not possible with zero");

                }

            }

            else

            {

                Console.WriteLine("Invalid Operation");

            }

    }

}

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