C#-简单计算器实验(带小键盘功能).doc

C#简单计算器的实现（带小键盘功能） 源代码: 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; using System.Collections.Generic; using System.Text; namespace Calculator { public partial class Form1 : Form { int myAction=0; double Step1 = 0, Step2 = 0,Result=0; bool Flag=true; bool fFlag = false; public Form1() { InitializeComponent(); textBox1.Text = 0; } private void button18_Click(object sender, EventArgs e)//退?格? { String s = textBox1.Text; s = s.Substring(0, s.Length - 1); textBox1.Text = s; } private void button17_Click(object sender, EventArgs e)//清?零? { textBox1.Text = 0; Step1 = Step2 = 0; } private void button1_Click(object sender, EventArgs e)//数簓字?1 { textBox1.Text += 1; } private void button2_Click(object sender, EventArgs e)//数簓字?2 { textBox1.Text += 2; } private void button3_Click(object sender, EventArgs e)////数簓字?3 { textBox1.Text += 3; } private void button4_Click(object sender, EventArgs e) { textBox1.Text += 4; } private void button5_Click(object sender, EventArgs e) { textBox1.Text += 5; } private void button6_Click(object sender, EventArgs e) { textBox1.Text += 6; } private void button7_Click(object sender, EventArgs e) { textBox1.Text += 7; } private void button8_Click(object sender, EventArgs e) { textBox1.Text += 8; } private void button9_Click(object sender, EventArgs e) { textBox1.Text += 9; }