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();
}
