Privacy Policy
The short version: we collect very little. What we do collect, we're transparent about.
Last updated: September 2026
The essentials
Clear principles on how we handle and protect your information.
✓ No account required
You never need to create an account or log in to use any tool on this site.
✓ Stays on your device
Calculation history is stored in your browser's local storage. It never leaves your device.
✓ No selling data
We do not sell, share, or trade any personal information. Ever.
1. What we collect
We do not require you to provide any personal information to use mathsolvers.io. We may collect anonymised usage data (pages visited, time on page) via analytics tools to understand how the site is used and improve it. This data is not linked to any individual.
2. Calculation history
When you use a calculator, your calculation may be saved to your browser's local storage under the key ms-calc-history. This data stays on your device and is never transmitted to our servers. You can clear it at any time from the History page.
3. Cookies
We may use essential cookies to ensure the site functions correctly. If we use analytics, these may set analytics cookies. No tracking cookies for advertising purposes are set by us.
4. Third-party services
We may use third-party analytics services (such as privacy-focused analytics) that collect anonymised data subject to their own privacy policies. We do not control their data collection and encourage you to review their policies.
5. Children
mathsolvers.io is designed for use by students of all ages, including children. We do not knowingly collect personal information from anyone. Parents can review our practices at any time by contacting us.
6. Changes to this policy
We may update this policy from time to time. The date at the top of this page reflects the most recent revision.
7. Contact
Questions about this policy? Use our contact page or email us at team@mathsolvers.io.