public static void Main(string[] args)
{
Addition add = new Addition();
substraction sub = new substraction();
Console.WriteLine("Enter Your Choice");
Console.WriteLine("\n 1 - For Addition \n 2 - For Substraction \n 3 - For Multiplication \n 4 - For Division");
int a = Convert.ToInt32(Console.ReadLine());
if (a == 1)
{
int c = add.Add();
Console.WriteLine("The Sum Value is {0}", c);
}
if (a == 2)
{
int c = sub.Sub();
Console.WriteLine("The Difference is {0}", c);
}
Console.ReadKey();
}
//private int result = 0;
public int Add(int a, int b)
{
return(Addition.Add(a, b));
//return result;
}
/// <summary>
/// CalculateResult is the bread and butter of this calculator. It takes all the parts of the input field and evaluates it.
/// If a result is undefined or imaginary an error is "thrown" and also tells the user what kind of illegal action it took.
/// Aside from this the method calculates the corresponding operations based on the input provided from the user.
/// While the calculator cannot handle chain additon or chain multiplication (as that requires the shunting yard
/// algorithm for more complex operations, eg. 3+2*6), it uses ANS as the next value if the user needs to use the result for something else.
/// In that sense you CAN do chain addition or chain multiplication, but you cannot execute several different operations at the same time.
/// </summary>
private void CalculateResult()
{
double result = 0;
var number1 = model.CalcNumbers[0];
if (model.SpecialOperatorPicked == true)
{
switch (model.Operator)
{
case '√':
Boolean isNumberNegative = number1 < 0;
if (isNumberNegative)
{
result = 0; //As result becomes an imaginary double
MessageBox.Show("NaN", "Error");
}
else
{
result = _sqrt.PowerOf(number1, 0.5);
}
break;
default:
break;
}
}
else if (model.OperatorPicked)
{
var number2 = model.CalcNumbers[1];
switch (model.Operator)
{
case '+':
result = _add.Add(number1, number2);
break;
case '−':
result = _remove.Add(number1, number2);
break;
case '×':
result = _multiplicate.Multiplicate(number1, number2);
break;
case '÷':
if (number2 == 0)
{
result = 0; //Result becomes an undefined answer
MessageBox.Show("Undefined", "Error");
}
else
{
result = _divide.Multiplicate(number1, number2);
}
break;
case '^':
result = _powerOf.PowerOf(number1, number2);
break;
default:
break;
}
}
DisplayResult(result);
}
