Classroom-use terms

Terms

Effective 28 August 2026

Math Textbook Margins is a free utility for adding reflection prompts beside learning material. By using it, you agree to these terms.

Use material you may share

You are responsible for lesson text and source links you create. Do not paste, upload, reproduce, or distribute copyrighted textbook content unless you have permission or another legal right to do so. The tool does not host or extract textbook files.

Appropriate use

Do not use the product to distribute harmful, illegal, deceptive, or privacy-invasive content. Do not put sensitive student data in a lesson link.

No substitute for review

Teacher notes and prompts are authored by users. The product does not verify their mathematical accuracy. Educators should review a lesson before sharing it.

Availability

The service is provided “as is” without warranties. We may change or discontinue it. Keep important answer records by printing or saving them; browser storage can be cleared by the user, browser, or device administrator.

Liability

To the maximum extent permitted by law, the operator is not liable for indirect or consequential loss arising from use of this product or linked third-party materials.

Changes

If these terms materially change, the effective date above will be updated. Continued use after a change means you accept the revised terms.