private void button5_Click(object sender, EventArgs e)
{
if (textBox2.Text == "History")
{
textBox2.Text = String.Empty;
}
textBox2.Text += "(" + textBox1.Text + "=";
try { textBox1.Text = RPN.Calculate(textBox1.Text).ToString(); }
catch (MyException ex) { textBox1.Text = ex.type; }
textBox2.Text += textBox1.Text + "),";
}
public double method_for_tests(string str)
{
StringBuilder st = new StringBuilder(str);
if (st[0] == '-')
{
st[0] = 'm';
}
int i = 0;
while (i != st.Length)
{
if (st[i] == '-')
{
if (st[i - 1] == '^' || st[i - 1] == '/' || st[i - 1] == '*')
{
st[i] = 'm';
}
}
i++;
}
return(RPN.Calculate(st.ToString()));
}
private void button5_Click(object sender, EventArgs e)
{
try { textBox1.Text = RPN.Calculate(textBox1.Text).ToString(); }
catch (MyException ex) { textBox1.Text = ex.type; }
}