C# 简单计算器设计

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 计算器2 {

public partial class Form1 : Form {

public Form1() {

InitializeComponent(); }

public string number=\,text0=\; public double number1

=0,number2=0,number3=0,M=0,number4=0,number5=0,number6=0;

public double L1=0, L2=0, L3=0, M1=0, M2=0, M3=0, N1=0, N2=0, N3=0;

public double TM1=0,TM2=0,TM3=0,TM4=0; public int

State=0,State2=0,State3=0,State4=0,State5=0,State6=0,i=0; public int SL1=0, SL2=0, SM1=0, SM2=0, SN1=0,SN2=0; public bool Bracket1 =

false,Bracket2=false,Bracket3=false,Bracket4=false; public bool IfFirst =

true,IfResult=false,IfMenory=false,HaveBracket=false;

private void button1_Click(object sender, EventArgs e) {

number += \;

number2 = Convert.ToDouble(number);

1

textBox1.Text = text0 += \; IfFirst = true; }

private void button2_Click(object sender, EventArgs e) {

number += \;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true;

}

private void button4_Click(object sender, {

number+= \;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button5_Click(object sender, {

number+=\;

number2=Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button6_Click(object sender, {

number+=\;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true;

EventArgs e) EventArgs e) EventArgs e) 2

}

private void button7_Click(object sender, EventArgs e) {

number+=\;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button8_Click(object sender, EventArgs e) {

number += \;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button9_Click(object sender, EventArgs e) {

number += \;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button10_Click(object sender, EventArgs e) {

number += \;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button11_Click(object sender, EventArgs e)

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{

number += \;

number2 = Convert.ToDouble(number); textBox1.Text = text0 += \; IfFirst = true; }

private void button12_Click(object sender, EventArgs e) {

if (textBox1.Text == \) {

number = \;

textBox1.Text = text0 += \; } else {

number += \;

textBox1.Text = text0 += \; }

number2 = Convert.ToDouble(number); IfFirst = true; }

private void button13_Click(object sender, EventArgs e) {

if (State == 0) { number1 = number2; State = 1; } else State2 = 1;

if (State2 == 1) switch (State) {

case 1: number1 += number2; break; case 2: number1 -= number2; break; case 3: number1 *= number2; if (IfMenory) {

switch (State3)

4