We are creating 4 buttons for (addition, subtraction, division, multiplicaation)
and 3 textboxs(first number, second number and result).
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Calculator
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
float a = float.Parse(textBox1.Text);
float b = float.Parse(textBox2.Text);
float c = a + b;
textBox3.Text = c.ToString();
}
private void button3_Click(object sender, EventArgs e)
{
float a = float.Parse(textBox1.Text);
float b = float.Parse(textBox2.Text);
float c = a * b;
textBox3.Text = c.ToString();
}
private void button2_Click(object sender, EventArgs e)
{
float a = float.Parse(textBox1.Text);
float b = float.Parse(textBox2.Text);
float c = a - b;
textBox3.Text = c.ToString();
}
private void button4_Click(object sender, EventArgs e)
{
float a = float.Parse(textBox1.Text);
float b = float.Parse(textBox2.Text);
float c = a / b;
textBox3.Text = c.ToString();
}
}
}
