Sqrt

using System;

class NumbersSqrSqrt
{
    static void Main()
    {
        //Here we can see the square of teh number 12345.
        int num = 12345;
        Console.WriteLine("The square of the number " + num + " is: " + (num * num));
        Console.WriteLine("The sqrt of the number " + num + " is: " + Math.Sqrt(num));

        //Let's try with some different numbers:
        Console.WriteLine("Enter whatever number you wish below to se its sqrt value: ");
        int dnumber = int.Parse(Console.ReadLine());

        if (dnumber <= 100000000 && dnumber > 0)
        {
            Console.WriteLine("The sqrt of the number " + dnumber + " is " + Math.Sqrt(dnumber));
        }
        else
        {
            Console.WriteLine("Sorry pal! The number is too big!");
        }

    }
}