public static void Main()
Console.WriteLine("+ = Addition\n- = Subtraction\n* = Multiplication\n** = The power of\n/ = Division\n// = Root");
Console.WriteLine("==============");
Console.WriteLine("Enter a number");
double a = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Enter an operator");
string c = Convert.ToString(Console.ReadLine());
Console.WriteLine("Enter a number");
Int64 b = Convert.ToInt64(Console.ReadLine());
Console.WriteLine("==============");
Console.WriteLine(Answer);
Console.WriteLine("==============");
Console.WriteLine(Answer);
Console.WriteLine("==============");
Console.WriteLine(Answer);
Console.WriteLine("==============");
Console.WriteLine(Answer);
Console.WriteLine("==============");
double Answer = Math.Pow(a, b);
Console.WriteLine(Answer);
Console.WriteLine("==============");
double Answer = Math.Pow(a, d);
Console.WriteLine(Answer);
Console.WriteLine("==============");
Console.WriteLine("Please use a proper operator:\n+ = Addition\n- = Subtraction\n* = Multiplication\n** = The power of\n/ = Division\n// = Root");
Console.WriteLine("==============\n==============\n==============\n==============\n");