static void Main() { Console.WriteLine("Exercise 2."); Console.WriteLine("Enter length"); string string_length = Console.ReadLine(); int length = Convert.ConvertToIntegerFromString(string_length); Console.WriteLine("Enter width"); string string_width = Console.ReadLine(); int width = Convert.ConvertToIntegerFromString(string_width); Console.WriteLine("Enter height"); string string_height = Console.ReadLine(); int height = Convert.ConvertToIntegerFromString(string_height); if (length < 0 || width < 0 || height < 0) { Console.WriteLine("Incorrect data"); } else { var diagonal = Math.Sqrt(Math.Pow(length, 2) + Math.Pow(width, 2) + Math.Pow(height, 2)); Console.WriteLine("Parallelepiped diagonal length = " + diagonal); Console.ReadKey(); } }
public static void Main() { Console.WriteLine("Welcome to Calculator!"); // Enter number1 Console.WriteLine("Type first number and press Enter"); string number1 = Console.ReadLine(); int firstnumber = Convert.ConvertToIntegerFromString(number1); // Enter number2 Console.WriteLine("Type second number and press Enter"); string number2 = Console.ReadLine(); int secondnumber = Convert.ConvertToIntegerFromString(number2); // Enter math option Console.WriteLine("Enter math option. + , - , * , / , ^ "); //Result of calculating double result = Calculator.GetOperationResult(firstnumber, secondnumber); Console.WriteLine("You result:" + result); }