static void Main(string[] args)
{
string choice;
double number1, number2, result;
string strnumber1, strnumber2;
Calculator calc = new Calculator();
do
{
Console.WriteLine("What do you want to do ? (A)dd, (S)ubtract, (M)ultiply, (D)ivide or (Q)uit");
choice = Console.ReadLine();
if (choice == "A" || choice == "a")
{
Console.WriteLine("Enter Number 1");
strnumber1 = Console.ReadLine();
double.TryParse(strnumber1, out number1);
Console.WriteLine("Enter Number 2");
strnumber2 = Console.ReadLine();
double.TryParse(strnumber2, out number2);
result = calc.Add(number1, number2);
Console.WriteLine("Result is " + result);
}
else if (choice == "S" || choice == "s")
{
Console.WriteLine("Enter Number 1");
strnumber1 = Console.ReadLine();
double.TryParse(strnumber1, out number1);
Console.WriteLine("Enter Number 2");
strnumber2 = Console.ReadLine();
double.TryParse(strnumber2, out number2);
result = calc.Subtract(number1, number2);
Console.WriteLine("Result is " + result);
}
else if (choice == "M" || choice == "m")
{
Console.WriteLine("Enter Number 1");
strnumber1 = Console.ReadLine();
double.TryParse(strnumber1, out number1);
Console.WriteLine("Enter Number 2");
strnumber2 = Console.ReadLine();
double.TryParse(strnumber2, out number2);
result = calc.Multiply(number1, number2);
Console.WriteLine("Result is " + result);
}
else if (choice == "D" || choice == "d")
{
Console.WriteLine("Enter Number 1");
strnumber1 = Console.ReadLine();
double.TryParse(strnumber1, out number1);
Console.WriteLine("Enter Number 2");
strnumber2 = Console.ReadLine();
double.TryParse(strnumber2, out number2);
result = calc.Divide(number1, number2);
Console.WriteLine("Result is " + result);
}
} while ((choice != "Q") && (choice != "q"));
Environment.Exit(0);
}
private void BtMin_Click(object sender, EventArgs e)
{
Calculator Calculator = new Calculator();
tbUitkomst.Text = Convert.ToString(Calculator.Subtract(Convert.ToDouble(tbGetal1.Text), Convert.ToDouble(tbGetal2.Text)));
}