public static void Main()
{
Console.WriteLine(CalcTriangleArea(3, 4, 5));
Console.WriteLine(DigitToEnglishWord(5));
Console.WriteLine(FindMax(5, -1, 3, 2, 14, 2, 3));
Print.AsFloatNumber(1.3);
Print.AsPercent(0.75);
Print.RightAlignedNumber(2.30);
Point firstPoint = new Point() { X = 3, Y = -1 };
Point secondPoint = new Point() { X = 3, Y = 2.5 };
Console.WriteLine(CalculateDistance(firstPoint, secondPoint));
Console.WriteLine("Horizontal? " + IsHorizontalLine(firstPoint, secondPoint));
Console.WriteLine("Vertical? " + IsVerticalLine(firstPoint, secondPoint));
Student peter = new Student("Peter", "Ivanov", "From Sofia, born at 17.03.1992");
Student stella = new Student("Stella", "Markova", "From Vidin, gamer, high results, born at 03.11.1993");
Console.WriteLine("{0} older than {1} -> {2}", peter.FirstName, stella.FirstName, peter.BirthDate().IsEarlierThan(stella.BirthDate()));
}