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(ScientificOperations.Tan(_degree));
}
public double Calculate()
{
return(ScientificOperations.Decrement(_num));
}
public double Calculate()
{
return(Convert.ToDouble(ScientificOperations.Factorial(Convert.ToInt32(value))));
}
public double Calculate()
{
return(ScientificOperations.Inverse(value));
}
public double Calculate()
{
return(ScientificOperations.Log10(value));
}
