Using the site
The tools on Unit Circle Lab are free for personal and educational use. You don’t need an account. Please don’t try to disrupt the site, overload it or use it in a way that breaks the law.
Printables and PDFs
You may print, download and copy the printables (unit circles, worksheets, answer keys and coordinate planes) for your own study and for teaching, including handing out copies to your students and sharing them in a class or school learning platform.
You may not sell them, include them in a product or bundle that is sold, or publish them elsewhere as your own. Please keep the footer with the page name and address.
Content and results
The tools are educational and the results are rounded. They are provided “as is”, without any warranty; see the Disclaimer. Check important results with your teacher or your textbook.
Intellectual property
Except where stated otherwise, the texts, code, illustrations and printables belong to Fernando Margareto. Apart from what these terms allow, please ask before reusing them.
Links
Links to other websites are provided for convenience. Their content and policies are the responsibility of their owners.
Liability
To the extent allowed by law, the owner is not liable for losses or damages arising from the use of the site or its results, such as a grade or a decision based on a calculation. Nothing in these terms limits rights that consumer protection law gives you and that cannot be waived.
Changes
These terms may be updated. The new version will be published on this page with a new date.
Governing law
These terms are governed by Spanish law. Any dispute will be handled by the courts of Valencia (Spain), unless the law gives you, as a consumer, the right to go to the courts where you live.
Last updated: October 23, 2026