My screen has a display problem

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.

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Ensure the proper functioning of the site (essential cookies); and
Track your browsing to send you personalized communications if you have created a professional account on the site and can be contacted (audience measurement cookies).

With the exception of Cookies essential to the operation of the site, NumWorks leaves you the choice: you can accept Cookies for audience measurement by clicking on the "Accept and continue" button, or refuse these Cookies by clicking on the "Continue without accepting" button or by continuing your browsing. You can update your choice at any time by clicking on the link "Manage my cookies" at the bottom of the page. For more information, please consult our cookies policy.

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