private void Mult_inverse_Click(object sender, EventArgs e)
        {
            Multiplicative_Inverse_form minf = new Multiplicative_Inverse_form();

            minf.BringToFront();
            minf.Show();
        }
 private void Mult_inverse_Click(object sender, EventArgs e)
 {
     Multiplicative_Inverse_form minf = new Multiplicative_Inverse_form();
     minf.BringToFront();
     minf.Show();
 }