In this tutorial I will show you how to write a program that will ask the user to give two numbers and then the program will compute the sum, difference, product, and  quotient of the two given number using C# 

 programming language.

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Program Listing

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Product_of_Two_Numbers
    public partial class Form1 : Form
        public Form1()

        private void button1_Click(object sender, EventArgs e)
            int a, b, sum, difference, multiply,quotient ;
            a = Convert.ToInt32(textBox1.Text);
            b = Convert.ToInt32(textBox2.Text);
            sum = a + b;
            difference = a - b;
            multiply = a * b;
            quotient = a / b;
            textBox3.Text = sum.ToString();
            textBox4.Text = difference.ToString();
            textBox5.Text = multiply.ToString();
            textBox6.Text = quotient.ToString();

        private void button2_Click(object sender, EventArgs e)
            textBox1.Text = "";
            textBox2.Text = "";
            textBox3.Text = "";
            textBox4.Text = "";
            textBox5.Text = "";
            textBox6.Text = "";

        private void button3_Click(object sender, EventArgs e)