How can I contact the Math18 team?
You can write from the contact page. If you report an error, include the URL and the exact section where it appears.
Are the tutorials free?
Yes. Public tutorials are available for study, review and classroom reference.
How do I report a correction?
Send the page link, a screenshot if possible and a short explanation of the error in the formula, text, image or exercise.
Can I suggest new topics?
Yes. You can suggest arithmetic, algebra, geometry, statistics or math curiosity topics from the contact page.
Can I reuse the content?
You may link to Math18 pages. For republication, redistribution or derivative works, contact the site owner first.
Does the site work on mobile?
Yes. The site is designed so explanations and examples can be reviewed on phones, tablets and desktop computers.