private static void Main()
        {
            Console.WriteLine(Calculations.CalculateTriangleArea(3, 4, 5));

            Console.WriteLine(Formatting.PrintDigitAsWord(5));

            Console.WriteLine(Calculations.FindMax(5, -1, 3, 2, 14, 2, 3));

            Console.WriteLine(Formatting.FormatNmber(1.3, "f"));
            Console.WriteLine(Formatting.FormatNmber(0.75, "%"));
            Console.WriteLine(Formatting.FormatNmber(2.30, "r"));

            Console.WriteLine(Calculations.CalculateDistance(3, -1, 3, 2.5));
            Console.WriteLine("Horizontal? " + Calculations.IsHorizontalLine(3, 3));
            Console.WriteLine("Vertical? " + Calculations.IsVerticalLine(-1, 2.5));

            Student peter = new Student {
                FirstName = "Peter", LastName = "Ivanov"
            };

            peter.Info = "From Sofia, born at 17.03.1992";

            Student stella = new Student {
                FirstName = "Stella", LastName = "Markova"
            };

            stella.Info = "From Vidin, gamer, high results, born at 03.11.1993";

            Console.WriteLine("{0} older than {1} -> {2}", peter.FirstName, stella.FirstName, peter.IsOlderThan(stella));
        }
        /// <summary>
        /// The entry point of the application.
        /// </summary>
        public static void Main()
        {
            try
            {
                Console.WriteLine("Triangle area = {0}", Calculations.CalculateTriangleArea(3, 4, 5));
            }
            catch (Exception e)
            {
                Console.Error.WriteLine(e.Message);
            }

            Console.WriteLine("The name of the digit is: {0}", Formatting.PrintDigitAsWord(5));
            try
            {
                Console.WriteLine("The max element of the array is {0}", Calculations.FindMax(5, -1, 3, 2, 14, 2, 3));
            }
            catch (Exception e)
            {
                Console.Error.WriteLine(e.Message);
            }

            Console.WriteLine(Formatting.FormatNumber(1.3, "f"));
            Console.WriteLine(Formatting.FormatNumber(0.75, "%"));
            Console.WriteLine(Formatting.FormatNumber(2.30, "r"));

            Console.WriteLine("The distance between the two pints is {0}", Calculations.CalculateDistance(3, -1, 3, 2.5));
            Console.WriteLine("Horizontal? " + Calculations.IsHorizontalLine(3, 3));
            Console.WriteLine("Vertical? " + Calculations.IsVerticalLine(-1, 2.5));

            Student peter = new Student
            {
                FirstName = "Peter",
                LastName  = "Ivanov"
            };

            peter.AdditionalInfo = "From Sofia, born at 17.03.1992";

            Student stella = new Student
            {
                FirstName = "Stella",
                LastName  = "Markova"
            };

            stella.AdditionalInfo = "From Vidin, gamer, high results, born at 03.11.1993";

            try
            {
                Console.WriteLine(
                    "{0} older than {1} -> {2}",
                    peter.FirstName,
                    stella.FirstName,
                    peter.IsOlderThan(stella));
            }
            catch (Exception e)
            {
                Console.Error.WriteLine(e.Message);
            }
        }