Question

Using C# Windows App Form

Create a simple calculator using +,-,*,/

Please show

code

GUI

Code for calculator

menus

radio button

input text boxes

Answer 1

Code

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 Calculator_Simple
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
double num1, num2, ans;
private void rdbAdd_CheckedChanged(object sender, EventArgs e)
{
getNumbers();
txtAns.Text = (num1 + num2).ToString();
}
private void getNumbers()
{
num1 = Convert.ToDouble(txtNum1.Text);
num2 = Convert.ToDouble(txtNum2.Text);
}

private void rdbSub_CheckedChanged(object sender, EventArgs e)
{
getNumbers();
txtAns.Text = (num1 - num2).ToString();
}

private void rdbMul_CheckedChanged(object sender, EventArgs e)
{
getNumbers();
txtAns.Text = (num1 * num2).ToString();
}

private void rdbDiv_CheckedChanged(object sender, EventArgs e)
{
getNumbers();
if (num2 != 0)
{
txtAns.Text = (num1 / num2).ToString();
}
else
{
MessageBox.Show("Denominator can't b 0.");
}

}

}
}

outputs

design

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