小型计算器
2014-10-19 21:58
127 查看
1.简单计算器
(1)使用控制台程序做界面
(2)只要完成加减乘除的简单程序功能
(3)程序一直运行,直到用户选择“退出”为止
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Experiments
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine(" 小型计算器 ");
Console.WriteLine("===============================");
Console.WriteLine(" 1.加法");
Console.WriteLine(" 2.减法");
Console.WriteLine(" 3.乘法");
Console.WriteLine(" 4.除法");
Console.WriteLine(" 5.退出");
Console.WriteLine("===============================");
for (int m = 0; ;m++ )
{
Console.WriteLine("请选择你要执行的序号");
int k = int.Parse(Console.ReadLine());
if (k == 5)
{ break; }
else{
Console.WriteLine("请输入2个数");
double i, j;
i = double.Parse(Console.ReadLine());
j = double.Parse(Console.ReadLine());
switch (k)
{
case 1:
Console.WriteLine("2个数相加为:" + (i + j)); break;
case 2: Console.WriteLine("2个数相减为:" + (i - j)); break;
case 3: Console.WriteLine("2个数相承为:" + (i * j)); break;
case 4: Console.WriteLine("2个数相除为:" + (i / j)); break;
}
} continue;
}
}
}
}
(1)使用控制台程序做界面
(2)只要完成加减乘除的简单程序功能
(3)程序一直运行,直到用户选择“退出”为止
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Experiments
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine(" 小型计算器 ");
Console.WriteLine("===============================");
Console.WriteLine(" 1.加法");
Console.WriteLine(" 2.减法");
Console.WriteLine(" 3.乘法");
Console.WriteLine(" 4.除法");
Console.WriteLine(" 5.退出");
Console.WriteLine("===============================");
for (int m = 0; ;m++ )
{
Console.WriteLine("请选择你要执行的序号");
int k = int.Parse(Console.ReadLine());
if (k == 5)
{ break; }
else{
Console.WriteLine("请输入2个数");
double i, j;
i = double.Parse(Console.ReadLine());
j = double.Parse(Console.ReadLine());
switch (k)
{
case 1:
Console.WriteLine("2个数相加为:" + (i + j)); break;
case 2: Console.WriteLine("2个数相减为:" + (i - j)); break;
case 3: Console.WriteLine("2个数相承为:" + (i * j)); break;
case 4: Console.WriteLine("2个数相除为:" + (i / j)); break;
}
} continue;
}
}
}
}
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