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計算器源碼

發布時間: 2022-01-20 20:18:31

❶ win7自帶計算器的源代碼

win7在運行處 輸入calc.exe,可以直接進如計算器!

❷ C#計算器源代碼

全部按鈕的事件代碼可以省略成1個方法
private void Btn_click(object sender, EventArgs e)
{
//(button)sender,把sender參數強制轉換成按鈕類型,根據按鈕的文本屬性判斷是哪個按鈕
string buttonType= ((button)sender).Text;
}

❸ 求一個C#計算器源代碼。

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace jisuan
{
/// <summary>
/// Form1 的摘要說明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
/// <summary>
/// 必需的設計器變數。
/// </summary>
private System.ComponentModel.Container components = null;

public Form1()
{
//
// Windows 窗體設計器支持所必需的
//
InitializeComponent();

//
// TODO: 在 InitializeComponent 調用後添加任何構造函數代碼
//
}

/// <summary>
/// 清理所有正在使用的資源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows 窗體設計器生成的代碼
/// <summary>
/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內容。
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(24, 72);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 21);
this.textBox1.TabIndex = 0;
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(312, 72);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 21);
this.textBox2.TabIndex = 1;
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(448, 72);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(88, 21);
this.textBox3.TabIndex = 2;
//
// comboBox1
//
this.comboBox1.Items.AddRange(new object[] {
"+",
"-",
"*",
"/"});
this.comboBox1.Location = new System.Drawing.Point(152, 72);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(121, 20);
this.comboBox1.TabIndex = 3;
this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
//
// button1
//
this.button1.Location = new System.Drawing.Point(64, 184);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(104, 32);
this.button1.TabIndex = 4;
this.button1.Text = "計算";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(216, 192);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 5;
this.button2.Text = "清除";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(376, 192);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 23);
this.button3.TabIndex = 6;
this.button3.Text = "退出";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(656, 366);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.comboBox1);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();

}
#endregion

/// <summary>
/// 應用程序的主入口點。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
public double jia(double a,double b)
{
return a+b;
}
public double jian(double a,double b)
{
return a-b;
}
public double cheng(double a,double b)
{
return a*b;
}
public double chu(double a,double b)
{
return a/b;
}

private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{

}

private void textBox1_TextChanged(object sender, System.EventArgs e)
{

}

private void button1_Click(object sender, System.EventArgs e)
{
string i=this.comboBox1.SelectedItem.ToString();

switch(i)
{

case "+":this.textBox3.Text=this.jia(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();

break;

case "-":this.textBox3.Text=this.jian(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case "*":this.textBox3.Text=this.cheng(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case"/" :this.textBox3.Text=this.chu(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
}

}

private void button2_Click(object sender, System.EventArgs e)
{
this.textBox1.Text=null;
this.textBox2.Text=null;
this.textBox3.Text = null;
}

private void button3_Click(object sender, EventArgs e)
{

//this.Hide();
Application.Exit();
//this.Close();

}
}
}

❹ c++計算器源代碼

#include<iostream>//簡單的計算器
using namespace std;//DEV c++
int main()
{
int a,b;
char c;//這里變數名只能為char
cout<<"計算器"<<endl;
cout<<"你想使用哪種計算器(+,-,*,/)"<<endl;
cin>>c;
switch(c)//這里是對+,-,*,/進行使用(c)
{
case '+'://加法運算
{
cout<<"請輸入第一個數"<<endl;
cin>>a;
cout<<"請輸入第二個數"<<endl;
cin>>b;
cout<<a<<"+"<<b<<"="<<a+b;
}
break;//break是終止
case '-'://減法運算
{
cout<<"請輸入第一個數"<<endl;
cin>>a;
cout<<"請輸入第二個數"<<endl;
cin>>b;
cout<<a<<"-"<<b<<"="<<a-b;
}
break;
case '*'://乘法運算
{
cout<<"請輸入第一個數"<<endl;
cin>>a;
cout<<"請輸入第二個數"<<endl;
cin>>b;
cout<<a<<"*"<<b<<"="<<a*b;
}
break;
case '/'://除法運算
{
cout<<"請輸入第一個數"<<endl;
cin>>a;
cout<<"請輸入第二個數"<<endl;
cin>>b;
if(b!=0)
{
cout<<a<<"/"<<b<<"="<<a/b;
}
else cout<<"除數不能為0"<<endl;
}
break;
default:cout<<"請輸入正確的運算符號"<<endl;//特殊情況
}
return 0;
}

❺ 計算器源代碼

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**
* 一個計算器,與Windows附件自帶計算器的標准版功能、界面相仿。
* 但還不支持鍵盤操作。
*/
public class Calculator extends JFrame implements ActionListener {
/** 計算器上的鍵的顯示名字 */
private final String[] KEYS = { "7", "8", "9", "/", "sqrt", "4", "5", "6",
"*", "%", "1", "2", "3", "-", "1/x", "0", "+/-", ".", "+", "=" };
/** 計算器上的功能鍵的顯示名字 */
private final String[] COMMAND = { "Backspace", "CE", "C" };
/** 計算器左邊的M的顯示名字 */
private final String[] M = { " ", "MC", "MR", "MS", "M+" };
/** 計算器上鍵的按鈕 */
private JButton keys[] = new JButton[KEYS.length];
/** 計算器上的功能鍵的按鈕 */
private JButton commands[] = new JButton[COMMAND.length];
/** 計算器左邊的M的按鈕 */
private JButton m[] = new JButton[M.length];
/** 計算結果文本框 */
private JTextField resultText = new JTextField("0");

// 標志用戶按的是否是整個表達式的第一個數字,或者是運算符後的第一個數字
private boolean firstDigit = true;
// 計算的中間結果。
private double resultNum = 0.0;
// 當前運算的運算符
private String operator = "=";
// 操作是否合法
private boolean operateValidFlag = true;
/**
* 構造函數
*/
public Calculator(){
super();
//初始化計算器
init();
//設置計算器的背景顏色
this.setBackground(Color.LIGHT_GRAY);
this.setTitle("計算器");
//在屏幕(500, 300)坐標處顯示計算器
this.setLocation(500, 300);
//不許修改計算器的大小
this.setResizable(false);
//使計算器中各組件大小合適
this.pack();
}
/**
* 初始化計算器
*/
private void init() {
// 文本框中的內容採用右對齊方式
resultText.setHorizontalAlignment(JTextField.RIGHT);
// 不允許修改結果文本框
resultText.setEditable(false);
// 設置文本框背景顏色為白色
resultText.setBackground(Color.WHITE);

//初始化計算器上鍵的按鈕,將鍵放在一個畫板內
JPanel calckeysPanel = new JPanel();
//用網格布局器,4行,5列的網格,網格之間的水平方向間隔為3個象素,垂直方向間隔為3個象素
calckeysPanel.setLayout(new GridLayout(4, 5, 3, 3));
for (int i = 0; i < KEYS.length; i++) {
keys[i] = new JButton(KEYS[i]);
calckeysPanel.add(keys[i]);
keys[i].setForeground(Color.blue);
}
//運算符鍵用紅色標示,其他鍵用藍色表示
keys[3].setForeground(Color.red);
keys[8].setForeground(Color.red);
keys[13].setForeground(Color.red);
keys[18].setForeground(Color.red);
keys[19].setForeground(Color.red);

//初始化功能鍵,都用紅色標示。將功能鍵放在一個畫板內
JPanel commandsPanel = new JPanel();
//用網格布局器,1行,3列的網格,網格之間的水平方向間隔為3個象素,垂直方向間隔為3個象素
commandsPanel.setLayout(new GridLayout(1, 3, 3, 3));
for (int i = 0; i < COMMAND.length; i++) {
commands[i] = new JButton(COMMAND[i]);
commandsPanel.add(commands[i]);
commands[i].setForeground(Color.red);
}

//初始化M鍵,用紅色標示,將M鍵放在一個畫板內
JPanel calmsPanel = new JPanel();
//用網格布局管理器,5行,1列的網格,網格之間的水平方向間隔為3個象素,垂直方向間隔為3個象素
calmsPanel.setLayout(new GridLayout(5, 1, 3, 3));
for (int i = 0; i < M.length; i++) {
m[i] = new JButton(M[i]);
calmsPanel.add(m[i]);
m[i].setForeground(Color.red);
}

//下面進行計算器的整體布局,將calckeys和command畫板放在計算器的中部,
//將文本框放在北部,將calms畫板放在計算器的西部。

//新建一個大的畫板,將上面建立的command和calckeys畫板放在該畫板內
JPanel panel1 = new JPanel();
//畫板採用邊界布局管理器,畫板里組件之間的水平和垂直方向上間隔都為3象素
panel1.setLayout(new BorderLayout(3, 3));
panel1.add("North", commandsPanel);
panel1.add("Center", calckeysPanel);

//建立一個畫板放文本框
JPanel top = new JPanel();
top.setLayout(new BorderLayout());
top.add("Center", resultText);

//整體布局
getContentPane().setLayout(new BorderLayout(3, 5));
getContentPane().add("North", top);
getContentPane().add("Center", panel1);
getContentPane().add("West", calmsPanel);
//為各按鈕添加事件偵聽器
//都使用同一個事件偵聽器,即本對象。本類的聲明中有implements ActionListener
for (int i = 0; i < KEYS.length; i++) {
keys[i].addActionListener(this);
}
for (int i = 0; i < COMMAND.length; i++) {
commands[i].addActionListener(this);
}
for (int i = 0; i < M.length; i++) {
m[i].addActionListener(this);
}
}

/**
* 處理事件
*/
public void actionPerformed(ActionEvent e) {
//獲取事件源的標簽
String label = e.getActionCommand();
if (label.equals(COMMAND[0])){
//用戶按了"Backspace"鍵
handleBackspace();
} else if (label.equals(COMMAND[1])) {
//用戶按了"CE"鍵
resultText.setText("0");
} else if (label.equals(COMMAND[2])){
//用戶按了"C"鍵
handleC();
} else if ("0123456789.".indexOf(label) >= 0) {
//用戶按了數字鍵或者小數點鍵
handleNumber(label);
// handlezero(zero);
} else {
//用戶按了運算符鍵
handleOperator(label);
}
}
/**
* 處理Backspace鍵被按下的事件
*/
private void handleBackspace() {
String text = resultText.getText();
int i = text.length();
if (i > 0) {
//退格,將文本最後一個字元去掉
text = text.substring(0, i - 1);
if (text.length() == 0) {
//如果文本沒有了內容,則初始化計算器的各種值
resultText.setText("0");
firstDigit = true;
operator = "=";
} else {
//顯示新的文本
resultText.setText(text);
}
}
}

/**
* 處理數字鍵被按下的事件
* @param key
*/
private void handleNumber(String key) {
if (firstDigit) {
//輸入的第一個數字
resultText.setText(key);
} else if ((key.equals(".")) && (resultText.getText().indexOf(".") < 0)){
//輸入的是小數點,並且之前沒有小數點,則將小數點附在結果文本框的後面
resultText.setText(resultText.getText() + ".");
} else if (!key.equals(".")) {
//如果輸入的不是小數點,則將數字附在結果文本框的後面
resultText.setText(resultText.getText() + key);
}
//以後輸入的肯定不是第一個數字了
firstDigit = false;
}
/**
* 處理C鍵被按下的事件
*/
private void handleC() {
//初始化計算器的各種值
resultText.setText("0");
firstDigit = true;
operator = "=";
}

/**
* 處理運算符鍵被按下的事件
* @param key
*/
private void handleOperator(String key) {
if (operator.equals("/")) {
//除法運算
//如果當前結果文本框中的值等於0
if (getNumberFromText() == 0.0){
//操作不合法
operateValidFlag = false;
resultText.setText("除數不能為零");
} else {
resultNum /= getNumberFromText();
}
} else if (operator.equals("1/x")) {
//倒數運算
if (resultNum == 0.0){
//操作不合法
operateValidFlag = false;
resultText.setText("零沒有倒數");
} else {
resultNum = 1 / resultNum;
}
} else if (operator.equals("+")){
//加法運算
resultNum += getNumberFromText();
} else if (operator.equals("-")){
//減法運算
resultNum -= getNumberFromText();
} else if (operator.equals("*")){
//乘法運算
resultNum *= getNumberFromText();
} else if (operator.equals("sqrt")) {
//平方根運算
resultNum = Math.sqrt(resultNum);
} else if (operator.equals("%")){
//百分號運算,除以100
resultNum = resultNum / 100;
} else if (operator.equals("+/-")){
//正數負數運算
resultNum = resultNum * (-1);
} else if (operator.equals("=")){
//賦值運算
resultNum = getNumberFromText();
}
if (operateValidFlag) {
//雙精度浮點數的運算
long t1;
double t2;
t1 = (long) resultNum;
t2 = resultNum - t1;
if (t2 == 0) {
resultText.setText(String.valueOf(t1));
} else {
resultText.setText(String.valueOf(resultNum));
}
}
//運算符等於用戶按的按鈕
operator = key;
firstDigit = true;
operateValidFlag = true;
}

/**
* 從結果文本框中獲取數字
* @return
*/
private double getNumberFromText() {
double result = 0;
try {
result = Double.valueOf(resultText.getText()).doubleValue();
} catch (NumberFormatException e){
}
return result;
}

public static void main(String args[]) {
Calculator calculator1 = new Calculator();
calculator1.setVisible(true);
calculator1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}

❻ 關於java做的計算器源代碼

關於計算器的設計其實是一個很大的學問,如果你按照嚴格的設計來完成一個計算器的話,完成之後。你就是一個很牛的人了。注意我說的是很牛
關於這方面的資料我建議你看本書
《大話設計模式》
這本書就是從計算器來展開的設計模式的運用和講解

❼ 如何查看電腦上某程序的源代碼 如計算器

可以通過GitHub源代碼ping在計算機中檢查計算器的源代碼。具體操作方式如下:

1、進入GitHub的Microsoft個人問題主頁,如下圖所示。

(7)計算器源碼擴展閱讀:

GitHub的Windows應用

GitHub 使用 git 分布式版本控制系統,而 git 最初是 LinusTorvalds 為幫助Linux開發而創造的,它針對的是 Linux 平台,因此 git 和 Windows 從來不是最好的朋友,因為它一點也不像Windows。

GitHub 發布了GitHub for Windows,為 Windows 平台開發者提供了一個易於使用的 Git 圖形客戶端。

GitHub forWindows是一個 Metro 風格應用程序,集成了自包含版本的 Git,bash 命令行 shell,PowerShell 的 posh-git 擴展。

GitHub 為 Windows 用戶提供了一個基本的圖形前端去處理大部分常用版本控制任務,可以創建版本庫,向本地版本庫遞交補丁,在本地和遠程版本庫之間同步。微軟也通過CodePlex向開發者提供 git 版本控制系統,而 GitHub 創造了一個更具有吸引力的 Windows 版本。

❽ 求C++編寫的科學計算器源代碼

給你個地址,自己去下載。
★★[源碼庫]811款導彈-制導-彈道-慣性導航-GPS-雷達等模擬源代碼★★
http://bbs.81tech.com/read.php?tid=209564

其中有兩款計算機源代碼:
1. 科學計算器程序--VC++源代碼.rar (30 K)
2. 非常實用的一款計算器-VC++源代碼.rar (138 K)

❾ 求計算器源代碼

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace jisuan
{
/// <summary>
/// Form1 的摘要說明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
/// <summary>
/// 必需的設計器變數。
/// </summary>
private System.ComponentModel.Container components = null;

public Form1()
{
//
// Windows 窗體設計器支持所必需的
//
InitializeComponent();

//
// TODO: 在 InitializeComponent 調用後添加任何構造函數代碼
//
}

/// <summary>
/// 清理所有正在使用的資源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows 窗體設計器生成的代碼
/// <summary>
/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內容。
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox3 = new System.Windows.Forms.TextBox();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(24, 72);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 21);
this.textBox1.TabIndex = 0;
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(312, 72);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 21);
this.textBox2.TabIndex = 1;
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(448, 72);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(88, 21);
this.textBox3.TabIndex = 2;
//
// comboBox1
//
this.comboBox1.Items.AddRange(new object[] {
"+",
"-",
"*",
"/"});
this.comboBox1.Location = new System.Drawing.Point(152, 72);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(121, 20);
this.comboBox1.TabIndex = 3;
this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
//
// button1
//
this.button1.Location = new System.Drawing.Point(64, 184);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(104, 32);
this.button1.TabIndex = 4;
this.button1.Text = "計算";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(216, 192);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 5;
this.button2.Text = "清除";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(376, 192);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 23);
this.button3.TabIndex = 6;
this.button3.Text = "退出";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(656, 366);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.comboBox1);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();

}
#endregion

/// <summary>
/// 應用程序的主入口點。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
public double jia(double a,double b)
{
return a+b;
}
public double jian(double a,double b)
{
return a-b;
}
public double cheng(double a,double b)
{
return a*b;
}
public double chu(double a,double b)
{
return a/b;
}

private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{

}

private void textBox1_TextChanged(object sender, System.EventArgs e)
{

}

private void button1_Click(object sender, System.EventArgs e)
{
string i=this.comboBox1.SelectedItem.ToString();

switch(i)
{

case "+":this.textBox3.Text=this.jia(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();

break;

case "-":this.textBox3.Text=this.jian(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case "*":this.textBox3.Text=this.cheng(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
case"/" :this.textBox3.Text=this.chu(double.Parse(this.textBox1.Text),double.Parse(this.textBox2.Text)).ToString();
break;
}

}

private void button2_Click(object sender, System.EventArgs e)
{
this.textBox1.Text=null;
this.textBox2.Text=null;
this.textBox3.Text = null;
}

private void button3_Click(object sender, EventArgs e)
{

//this.Hide();
Application.Exit();
//this.Close();

}
}
}
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