problema 2 visual 2

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 practica_1_problema_2_visual
{
public partial class Form1 : Form
{

double faren, cel;
public Form1()
{
faren = cel = 0;

InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{

}

private void label1_Click(object sender, EventArgs e)
{

}

private void tbfaren_TextChanged(object sender, EventArgs e)
{

}

private void btcalcular_Click(object sender, EventArgs e)
{
faren = double.Parse(tbfaren.Text);

cel = (5.0 / 9.0 * (faren - 32.0));

tbcel.Text = cel.ToString();






}

private void btlimpiar_Click(object sender, EventArgs e)
{
tbcel.Clear();
tbfaren.Clear();


}

private void btsalir_Click(object sender, EventArgs e)
{
Close();