public static void Main()
Console.WriteLine("Simple Calculator App V1");
Console.WriteLine("Please enter in the first number:");
double num1 = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Please enter in the second number:");
double num2 = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Sum: " +sum.ToString());
Console.WriteLine("Difference " + diff);
double product = num1*num2;
Console.WriteLine("Product: " +product.ToString());
Console.WriteLine("Quotient: " +quot.ToString());
double pow = Math.Pow(num1,num2);
Console.WriteLine("Expont: " +pow.ToString());
double root = Math.Sqrt(num1);
Console.WriteLine("Square root of num1: " +root.ToString());