WRITE A PROGRAMME HAVING METHODS TO CALCULATE SUM.MULTIPLE.ETC:

INPUT:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Methods_Function

{

    class Program

    {

        static void Main(string[] args)

        {

                    Console.WriteLine("\t\t\t\tCalculator");

            int num1, num2;

            Console.WriteLine("Enter first number");

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

            Console.WriteLine("Enter second number");

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

            int res1 = Sum(num1, num2);

            Console.WriteLine(res1);

            int res2 = Subtract(num1, num2);

            Console.WriteLine(res2);

            int res3 = Multiple(num1, num2);

            Console.WriteLine(res3);

            int res4 = Divide(num1, num2);

            Console.WriteLine(res4);

        }

        static int Sum(int Num1, int Num2)

        {

            int r;

            r = Num1 + Num2;

            return r;

        }

        static int Subtract(int Num1, int Num2)

        {

            int r;

            r = Num1 - Num2;

            return r;

        }

        static int Multiple(int Num1, int Num2)

        {

            int r;

            r = Num1 * Num2;

            return r;

        }

       

        static int Divide(int Num1, int Num2)

        {

            int r;

            r = Num1 / Num2;

            return r;

        }

            

        }

    }

Output: