static void Main(string[] args) { var test = new Calculator2.Calculator(); Console.WriteLine("Enter the first number: "); var firstNumber = Console.ReadLine(); var a = double.Parse(firstNumber ?? throw new InvalidOperationException("Error try again!")); Console.WriteLine("Enter the second number: "); var secondNumber = Console.ReadLine(); var b = double.Parse(secondNumber ?? throw new InvalidOperationException("Error try again!")); Console.WriteLine("Add:"); Console.WriteLine($"{firstNumber} + {secondNumber} = {test.Add(a, b)}"); Console.WriteLine("\n\nSubtract:"); Console.Write($"{firstNumber} - {secondNumber} = {test.Subtract(a, b)}"); Console.WriteLine("\n\nMultiply:"); Console.Write($"{firstNumber} * {secondNumber} = {test.Multiply(a, b)}"); Console.WriteLine("\n\nPower:"); Console.Write($"{firstNumber} power to {secondNumber} = {test.Power(a, b)}"); Console.WriteLine("\n\nDivide:"); Console.Write($"{firstNumber} / {secondNumber} = {test.Divide(a, b)}"); Console.WriteLine("\n\nPress enter to exit"); Console.ReadLine(); }
static void Main(string[] args) { Calculator2.Calculator test = new Calculator2.Calculator(); Console.WriteLine("Enter the first number: "); string firstNumber = Console.ReadLine(); double a = double.Parse(firstNumber); Console.WriteLine("Enter the second number: "); string secondNumber = Console.ReadLine(); double b = double.Parse(secondNumber); Console.WriteLine("Add:"); Console.WriteLine($"{firstNumber} + {secondNumber} = {test.Add(a, b)}"); Console.WriteLine("\n\nSubtract:"); Console.Write($"{firstNumber} - {secondNumber} = {test.Subtract(a, b)}"); Console.WriteLine("\n\nMultiply:"); Console.Write($"{firstNumber} * {secondNumber} = {test.Multiply(a, b)}"); Console.WriteLine("\n\nPower:"); Console.Write($"{firstNumber} power to {secondNumber} = {test.Power(a, b)}"); Console.WriteLine("\n\nPress enter to exit"); Console.ReadLine(); }