public static void Main()
Console.WriteLine("Syötä (double) numero");
DoubleLuku = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Syötä tekstia");
StringTekija = Convert.ToString(Console.ReadLine());
double cubicOfRootDoubleLuku = Math.Cbrt(DoubleLuku);
Console.WriteLine(cubicRootOfDoubleLuku);
double roundedDown = Math.Floor(DoubleLuku);
Console.WriteLine(" Number rounded down is " + roundedDown);
Console.WriteLine(Math.Abs(DoubleLuku));
char[] charArray = StringTekija.ToCharArray();
Array.Reverse(charArray);
string reversedString = new string(charArray);
Console.WriteLine("Reversed text: " + charArray);
Console.WriteLine (charArray);
Console.WriteLine("Text is " + reversedString + " chapters long");