C#控制台版计算器
最簡單的計算器,實現±*/
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks;namespace Con版計算器 {class Program{public static long num1, num2;static void Main(string[] args){//+-*/string input="";while (true){Console.WriteLine("請選擇要進行的計算: 1.+ 2.- 3.* 4./");input = Console.ReadLine();int c;//請輸入要計算的兩個數Console.WriteLine("請輸入要計算的兩個數:");num1 = Int64.Parse(Console.ReadLine());num2 = Int64.Parse(Console.ReadLine());switch (input){case "1":Add(num1, num2);break;case "2":Minus(num1, num2);break;case "3":Multiply(num1, num2);break;case "4": Divide(num1, num2);break;default:Console.WriteLine("請輸入正確的數字!");break;}}Console.ReadKey();}//+ - * /四個函數public static void Add(long a, long b){Console.WriteLine("{0} + {1} = {2}", a, b, a+b);}public static void Minus(long a, long b){Console.WriteLine("{0} - {1} ={2}", a, b, a-b);}public static void Multiply(long a, long b){Console.WriteLine("{0} * {1} ={2}", a, b, a * b);}public static void Divide(long a, long b){Console.WriteLine("{0} / {1} ={2}", a, b, a / b);}} }總結
- 上一篇: C#模拟最简单的交通信号灯
- 下一篇: C#实现最简单的收银系统