private void EqualsOperation(object sender, EventArgs e)
{
if (operation == "+")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Add(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
else if (operation == "-")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Subtract(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
else if (operation == "*")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Multiply(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
else if (operation == "/")
{
_uppertablelayout.OutputTextBox.Text = (ArithmaticOperations.Divide(value, double.Parse(_uppertablelayout.OutputTextBox.Text))).ToString();
}
operator_pressed = false;
value = double.Parse(_uppertablelayout.OutputTextBox.Text);
operation = "";
}
static void Main(string[] args)
{
ArithmaticOperations Ar = new ArithmaticOperations();
Console.Write("Enter a number: a");
Ar.a = Convert.ToInt64(Console.ReadLine());
Console.Write("Enter another number:b ");
Ar.b = Convert.ToInt64(Console.ReadLine());
Ar.c = Ar.add(Ar.a, Ar.b);
Console.WriteLine("sum of " + Ar.a + " and " + Ar.b + " is " + Ar.c);
Ar.c = Ar.sub(Ar.a, Ar.b);
Console.WriteLine("sub of " + Ar.a + " and " + Ar.b + " is " + Ar.c);
Ar.c = Ar.product(Ar.a, Ar.b);
Console.WriteLine("product of " + Ar.a + " and " + Ar.b + " is " + Ar.c);
Ar.c = Ar.divide(Ar.a, Ar.b);
Console.WriteLine("div of " + Ar.a + " and " + Ar.b + " is " + Ar.c);
Ar.c = Ar.modulo(Ar.a, Ar.b);
Console.WriteLine("modulo of " + Ar.a + " and " + Ar.b + " is " + Ar.c);
Console.ReadKey();
}
private void UnaryOperator_Click(object sender, System.EventArgs e)
{
if (textBox1.Text == "")
{
textBox1.Text = "0";
}
else
{
Button btn = (Button)sender;
switch (btn.Text)
{
case "Sq. Rt.":
textBox1.Text = (ArithmaticOperations.SquareRoot(double.Parse(textBox1.Text))).ToString();
break;
case "Log x":
textBox1.Text = (ScientificOperations.Log10(double.Parse(textBox1.Text))).ToString();
break;
case "Ln x":
textBox1.Text = (ScientificOperations.Ln(double.Parse(textBox1.Text))).ToString();
break;
case "1/x":
textBox1.Text = (ScientificOperations.Inverse(double.Parse(textBox1.Text))).ToString();
break;
case "!":
textBox1.Text = (ScientificOperations.Factorial(int.Parse(textBox1.Text))).ToString();
break;
case "+/-":
textBox1.Text = (ArithmaticOperations.PlusMinus(double.Parse(textBox1.Text))).ToString();
break;
case "Sin":
textBox1.Text = (ScientificOperations.Sin(double.Parse(textBox1.Text))).ToString();
break;
case "Cos":
textBox1.Text = (ScientificOperations.Cos(double.Parse(textBox1.Text))).ToString();
break;
case "Tan":
textBox1.Text = (ScientificOperations.Tan(double.Parse(textBox1.Text))).ToString();
break;
case "<-":
if (textBox1.Text.Length > 0)
{
int len = textBox1.Text.Length;
textBox1.Text = textBox1.Text.Substring(0, len - 1);
}
if (textBox1.Text == "")
{
textBox1.Text = "0";
}
break;
}
}
}
public double Calculate()
{
return(ArithmaticOperations.Subtract(_num1, _num2));
}
public double Calculate()
{
return(ArithmaticOperations.SquareRoot(_num));
}
public double Calculate()
{
return(ArithmaticOperations.PlusMinus(_num));
}
public double Calculate()
{
return(ArithmaticOperations.Divide(_num1, _num2));
}
public double Calculate()
{
return(ArithmaticOperations.Multiply(_num1, _num2));
}
