static void Main(string[] args)
{
String x;
Console.WriteLine("Enter A Text");
String s = Console.ReadLine();
Class1 obj = new Class1(s);
Console.Write(obj.get());
do
{
Console.Write("\n1.Add\n2.Sub\n3.Mul\n4.Div\n");
Console.WriteLine("Enter Choice:");
int val = Convert.ToInt32(Console.ReadLine());
while (!obj.Calculation(val))
{
Console.Write("Enter PreValue:");
int pre = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter PostValue:");
int post = Convert.ToInt32(Console.ReadLine());
obj.CalculationSwitch(val, pre, post);
break;
}
Console.WriteLine("Do you want to continue? Y/N");
x = Console.ReadLine();
} while (x.Equals("y") | x.Equals("Y"));
Console.Read();
}
