Output:
Code:
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 Program_1
{
public partial class Form1 : Form
{
double num1;
double num2;
string operation;
public Form1()
{
InitializeComponent();
textBox1.ReadOnly = true;
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void input(string a)
{
if (textBox1.Text == "0")
textBox1.Text = a;
else
textBox1.Text += a;
}
// For 1
private void button1_Click(object sender, EventArgs e)
{
input("1");
}
// For 2
private void button2_Click(object sender, EventArgs e)
{
input("2");
}
// For 3
private void button3_Click(object sender, EventArgs e)
{
input("3");
}
// For 4
private void button4_Click(object sender, EventArgs e)
{
input("4");
}
// For 5
private void button5_Click(object sender, EventArgs e)
{
input("5");
}
// For 6
private void button6_Click(object sender, EventArgs e)
{
input("6");
}
// For 7
private void button7_Click(object sender, EventArgs e)
{
input("7");
}
// For 8
private void button8_Click(object sender, EventArgs e)
{
input("8");
}
// For 9
private void button9_Click(object sender, EventArgs e)
{
input("9");
}
// For 0
private void button10_Click(object sender, EventArgs e)
{
input("0");
}
// For Addition
private void button18_Click(object sender, EventArgs e)
{
num1 = double.Parse(textBox1.Text);
operation = "+" ;
textBox1.Text = "0";
}
// For Subtraction
private void button20_Click(object sender, EventArgs e)
{
num1 = double.Parse(textBox1.Text);
operation = "-" ;
textBox1.Text = "0";
}
// For Multiplication
private void button21_Click(object sender, EventArgs e)
{
num1 = double.Parse(textBox1.Text);
operation = "*" ;
textBox1.Text = "0";
}
// For Divison
private void button22_Click(object sender, EventArgs e)
{
num1 = double.Parse(textBox1.Text);
operation = "/" ;
textBox1.Text = "0";
}
// For Power
private void button12_Click(object sender, EventArgs e)
{
num1 = double.Parse(textBox1.Text);
operation = "^" ;
textBox1.Text = "0";
}
// For Equal Button And Operation
private void button19_Click(object sender, EventArgs e)
{
num2 = double.Parse(textBox1.Text);
switch (operation)
{
//Addition Function
case "+": textBox1.Text = (num1 + num2).ToString();
break;
//Subtraction Function
case "-": textBox1.Text = (num1 - num2).ToString();
break;
//Multiplication Function
case "*": textBox1.Text = (num1 * num2).ToString();
break;
//Divison Function
case "/": textBox1.Text = (num1 / num2).ToString();
break;
//Power Function
case "^": textBox1.Text = System.Math.Pow(num1, num2).ToString();
break;
}
}
// Clear
private void button17_Click(object sender, EventArgs e)
{
textBox1.Clear();
}
//Logeritham Function
private void button14_Click(object sender, EventArgs e)
{
textBox1.Text = (Math.Log(double.Parse(textBox1.Text))).ToString();
}
//Factorial Function
private void button15_Click(object sender, EventArgs e)
{
long f = 1;
for (long i = 1; i <= long.Parse(textBox1.Text); i++)
{
f = f * i;
}
textBox1.Text = f.ToString();
}
//Sq.Root Function
private void button16_Click(object sender, EventArgs e)
{
textBox1.Text = (Math.Sqrt(double.Parse(textBox1.Text))).ToString();
}
//Square Function
private void button13_Click(object sender, EventArgs e)
{
textBox1.Text = Convert.ToString(Convert.ToDouble(textBox1.Text) * Convert.ToDouble(textBox1.Text));
}
}
}
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