实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace CalculatorPro { public partial class Form1 : Form { decimal num1; decimal num2; string operation; public Form1() { InitializeComponent(); } private void input(string a) { if (textBox1.Text == "0") textBox1.Text = a; else textBox1.Text = a; } private void Form1_Load(object sender, EventArgs e) { } private void button2_Click(object sender, EventArgs e) { input("1"); } private void button3_Click(object sender, EventArgs e) { input("2"); } private void button4_Click(object sender, EventArgs e) { input("3"); } private void button5_Click(object sender, EventArgs e) { input("4"); } private void button6_Click(object sender, EventArgs e) { input("5"); } private void button7_Click(object sender, EventArgs e) { input("6"); } private void button8_Click(object sender, EventArgs e) { input("7"); } private void button9_Click(object sender, EventArgs e) { input("8"); } private void button10_Click(object sender, EventArgs e) { input("9"); } private void button1_Click(object sender, EventArgs e) { input("0"); } private void button11_Click(object sender, EventArgs e) { textBox1.Text = "."; } private void button24_Click(object sender, EventArgs e) { num2 = decimal.Parse(textBox1.Text); //////////////////////////////// switch (operation) { case " ": textBox1.Text = (num1 num2).ToString(); break; case "-": textBox1.Text = (num1 - num2).ToString(); break; case "*": textBox1.Text = (num1 * num2).ToString(); break; case "/": textBox1.Text = (num1 / num2).ToString(); break; case "^": textBox1.Text = (int.Parse(num1.ToString()) ^ int.Parse(num2.ToString())).ToString(); break; case "%": textBox1.Text = (num1 % num2).ToString(); break; } } private void button12_Click(object sender, EventArgs e) { num1 = decimal.Parse(textBox1.Text); operation = " "; textBox1.Text = "0"; } private void button13_Click(object sender, EventArgs e) { num1 = decimal.Parse(textBox1.Text); operation = "-"; textBox1.Text = "0"; } private void button14_Click(object sender, EventArgs e) { num1 = decimal.Parse(textBox1.Text); operation = "/"; textBox1.Text = "0"; } private void button15_Click(object sender, EventArgs e) { num1 = decimal.Parse(textBox1.Text); operation = "*"; textBox1.Text = "0"; } private void button25_Click(object sender, EventArgs e) { textBox1.Text = "0"; } private void button16_Click(object sender, EventArgs e) { textBox1.Text = (Math.Sin(double.Parse(textBox1.Text))).ToString(); } private void button17_Click(object sender, EventArgs e) { textBox1.Text = (Math.Cos(double.Parse(textBox1.Text))).ToString(); } private void button19_Click(object sender, EventArgs e) { long f = 1; for (long i = 1; i <= long.Parse(textBox1.Text); i ) { f = f * i; } textBox1.Text = f.ToString(); } private void button20_Click(object sender, EventArgs e) { textBox1.Text = (Math.Log(double.Parse(textBox1.Text))).ToString(); } private void button22_Click(object sender, EventArgs e) { textBox1.Text = (Math.Sqrt(double.Parse(textBox1.Text))).ToString(); } private void button23_Click(object sender, EventArgs e) { num1 = decimal.Parse(textBox1.Text); operation = "^"; textBox1.Text = "0"; } private void button18_Click(object sender, EventArgs e) { textBox1.Text = (Math.Tan(double.Parse(textBox1.Text))).ToString(); } private void button21_Click(object sender, EventArgs e) { num1 = decimal.Parse(textBox1.Text); operation = "%"; textBox1.Text = "0"; } } }
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