Terms of Service

Last updated: January 2025

1. Acceptance of Terms

By accessing or using NumDojo, you agree to be bound by these Terms of Service. If you are under 18, you represent that your parent or legal guardian has reviewed and agreed to these terms on your behalf.

2. Account Registration

You must provide accurate information when creating an account. You are responsible for maintaining the security of your account credentials. Users under 13 require parental consent per our COPPA compliance policy.

3. Acceptable Use

You agree to use NumDojo for lawful educational purposes only. You may not: attempt to cheat or manipulate leaderboards or battle systems; harass other users; reverse-engineer our platform; or use automated tools to access our services.

4. Intellectual Property

All content on NumDojo, including lessons, problems, and the platform itself, is owned by NumDojo or its licensors. Our lesson content draws from public-domain mathematical methods (Vedic Mathematics, Trachtenberg System, Soroban techniques) while our specific presentations and implementations are proprietary.

5. Subscriptions and Payments

Certain features may require a paid subscription. Subscription terms, pricing, and cancellation policies are displayed at the time of purchase. Refunds are handled in accordance with applicable law.

6. Limitation of Liability

NumDojo is provided "as is" without warranties of any kind. We are not liable for any indirect, incidental, or consequential damages arising from your use of the platform.

7. Changes to Terms

We may update these terms from time to time. Continued use of the platform after changes constitutes acceptance of the new terms. We will notify users of significant changes via email.

8. Contact

Questions about these terms? Contact us at legal@numdojo.com.