برنامه ای بنویسید پس از ورود دو عدد ، کاربر با انتخاب کردن هر کدام از 4 عملگر ضرب تقسیم جمع تفریق ، عمل متناسب با آن انجام شود .

 

static void Main(string[] args)
}
;int n=1
while (n!=0)
}    
;Console.Write("Enter Number 1 : ")             
 ;int a = Convert.ToInt32(Console.ReadLine())             
;Console.Write("Enter Number 2 : ")             
           ;int b = Convert.ToInt32(Console.ReadLine())             
;Console.Write("Please Enter '+'or'-'or'*'or'/' : ")             
;()string c = Console.ReadLine             
switch (c)             
}                   
;case "+":Console.WriteLine ("Sum= "+sum(a,b))                       
;break                       
        ;case "*":Console.WriteLine("mul= " + mul(a,b))                       
;break                       
;case "/":Console.WriteLine("div= " + div(a,b))                       
;break                       
;case "-":Console.WriteLine("min= " + min(a,b))                       
 ;break                       
;default:Console.WriteLine(" I'm Sorry ")                       
;break                       
{                   
;Console.Write(" \n--------------------------\n\n")          
;Console.Write("Do you keep going ? 1 or 0 : ")          
;n= Convert.ToInt32( Console.ReadLine())          
{    


;()Console.ReadKey  
{



public static int sum (int a , int b)
}
;int c
;c = a + b
;return c
{



public static int mul(int a , int b)
}
;int c
;c = a * b
;return c
{



public static int div (int a , int b)
}
;int c
;c = a / b
;return c
{



public static int min(int a , int b)
}
;int c
;c = a + b
;return c
{