Question

Enter two numbers then using user-defined functions, compute its sum, difference, product and quotient.

Answer 1

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 WindowsFormsApp1

{

  public partial class Form1 : Form

  {

    public Form1()

    {

    

      InitializeComponent();

    }




    

    private void button1_Click(object sender, EventArgs e)

    {

      

      textBox3.Text = "";

      float a = int.Parse(textBox1.Text);

      float b = int.Parse(textBox2.Text);

      float c = a + b;

      textBox3.Text = c.ToString();

    }




    private void button2_Click(object sender, EventArgs e)

    {

      

      textBox3.Text = "";

      float a = int.Parse(textBox1.Text);

      float b = int.Parse(textBox2.Text);

      float c = a - b;

      textBox3.Text = c.ToString();

    }




    private void button3_Click(object sender, EventArgs e)

    {

      textBox3.Text = "";

      float a = int.Parse(textBox1.Text);

      float b = int.Parse(textBox2.Text);

      float c = a * b;

      textBox3.Text = c.ToString();

    }




    private void button4_Click(object sender, EventArgs e)

    {

      textBox3.Text = "";

      float a = int.Parse(textBox1.Text);

      float b = int.Parse(textBox2.Text);

      float c = a / b;

      textBox3.Text = c.ToString();

    }

  }

}