private void btnResult_Click(object sender, EventArgs e)
{
try
{
switch (cc.Calculation)
{
case "+":
lblResult.Text = Calculations.Addition(cc.Value, double.Parse(lblResult.Text)).ToString();
break;
case "-":
lblResult.Text = Calculations.Substraction(cc.Value, double.Parse(lblResult.Text)).ToString();
break;
case "×":
lblResult.Text = Calculations.Multiplication(cc.Value, double.Parse(lblResult.Text)).ToString();
break;
case "÷":
lblResult.Text = Calculations.Division(cc.Value, double.Parse(lblResult.Text)).ToString();
break;
case "√":
if (cc.Value >= 0)
{
lblResult.Text = Calculations.SquareRoot(cc.Value).ToString();
}
else
{
MessageBox.Show("You cannot find the square root of a negative number!");
}
break;
case "1/x":
if (cc.Value != 0)
{
lblResult.Text = Calculations.Reciprocal(cc.Value).ToString();
}
else
{
MessageBox.Show("The devisor cannot be 0!");
}
break;
case "x²":
lblResult.Text = Calculations.MathPow(cc.Value, 2).ToString();
break;
case "x³":
lblResult.Text = Calculations.MathPow(cc.Value, 3).ToString();
break;
case "±":
if (cc.Value != 0)
{
lblResult.Text = Calculations.Opposite(cc.Value).ToString();
}
else
{
MessageBox.Show("Try again!");
}
break;
case "%":
lblResult.Text = Calculations.Percent(cc.Value).ToString();
break;
default:
break;
}
cc.Operation = true;
cc.IsDecimalPoint = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
