/// <summary>
 /// Displays the equation for the bandwidth.
 /// </summary>
 private void bandwidthButton_Click(object sender, EventArgs e)
 {
     if (Bandwidth.Instance == false)
     {
         Bandwidth form = new Bandwidth(this);
         form.Show(this);
         Bandwidth.Instance = true;
     }
     else if (Bandwidth.Instance)
     {
         // Do nothing.
     }
 }