Contact 42Math
Questions, corrections, and thoughtful feedback are welcome.
What to include
- Calculation or content issue: include the page URL, inputs, expected result, and a source or calculation if available.
- Technical problem: include the browser, device, screenshot, and steps needed to reproduce it.
- Translation issue: include the language, current wording, and suggested correction.
- Accessibility issue: describe the assistive technology or interaction that is blocked.
- Privacy request: use the subject line Privacy request and identify the relevant interaction without sending unnecessary sensitive information.
Corrections
For formula, source, unit, software, or translation errors, the corrections page explains the information that makes a report easiest to investigate.
Educational use and embeds
Links to 42Math pages may be shared freely. Many tools provide an embed option for lessons, blogs, and learning-management systems. For uses beyond the permissions described in the terms, contact the address above.
Response expectations
42Math is an independent project without a dedicated support team. Messages are reviewed as time permits. Reports involving incorrect results, safety, security, or privacy receive priority, but a response time cannot be guaranteed.
Please do not send
Do not send passwords, payment details, medical records, government identifiers, or other sensitive personal information. 42Math does not require an account and cannot recover user data or saved calculations.