Terms of Use

Last updated: 17 March 2026

Acceptance

By using PlayMemorize you agree to these terms. If you do not agree, do not use the site. These terms may change. Continued use after any change constitutes acceptance.

Permitted use

PlayMemorize is free to use for personal, educational, and non-commercial purposes. You may:

• Use the trainer to memorise mathematical constants and prime numbers.
• Share links to any page on playmemorize.com.
• Use PlayMemorize in a classroom or educational context.

Prohibited use

You may not:

• Scrape, copy, or redistribute the site's source code or assets for commercial purposes without permission.
• Attempt to interfere with or disrupt the site or its hosting infrastructure.
• Use the site in any way that violates applicable laws.

Intellectual property

The digits of mathematical constants (pi, e, phi, and others) are mathematical facts and are in the public domain. No one owns them.

The PlayMemorize application code, design, visual presentation, and educational content are owned by PlayMemorize. The name PlayMemorize and its visual identity may not be used without permission.

No warranties

PlayMemorize is provided as is, without warranty of any kind. We do not guarantee that the site will be available at all times, that digit data is free of errors, or that it will meet any particular purpose. Mathematical constants are computed to reasonable precision but are not certified for scientific or safety-critical use.

Limitation of liability

To the fullest extent permitted by law, PlayMemorize and its operators accept no liability for any loss or damage arising from use of the site, reliance on any content, or inability to access the service.

Your data

Your practice progress is stored in your own browser and never transmitted to us. See our Privacy Policy for full details.

Contact

Questions about these terms? Email hello@playmemorize.com.