If your screen has a display problem, email us at contact@numworks.com with the following information:

  • Description of the problem
  • A photo of your screen on and a photo of your screen off
  • Your order number

Please note: Our warranty covers manufacturing defects and therefore does not apply in the event of a screen failure resulting from the improper use of your calculator. However, we offer a repair at a rate of $40.00 which includes the cost and transport of the part ordered from the supplier, the labor of replacing the screen as well as the reshipment of the device to your home.