Mathematics, from the first number to the research frontier.
A free school and academy. Every school year, then university-level courses across the whole subject, and open problems. Start where you are, go where you like.
Education without walls. Open to everyone, in any language, on any device, even offline.
Try a lesson now
Opens the first lesson of your curriculum. Nothing to sign up for, nothing to install.
Your first lessonNumber and place valueCounting and comparing to 10Count apples one by one, fill a ten-frame, match them up, and compare with <, > and =.▶ Start learningPick your country ↓For teachers and schools
Tools that work in a classroom without accounts, and plain statements of what is and is not checked.
For teachers and schools
What you can check before you rely on it
- No sign-up, no adsLearners and teachers need no account. A lesson opens on the first click.
- Data stays on the deviceProgress is kept in the browser on that device and the site sets no cookies. The privacy page lists every entry.
- Works on weak connectionsDownload once, or copy a zip to a USB stick or a school computer. After that no internet is needed.
- 11 national curricula, 12 languagesLessons follow each country's published curriculum, in its own notation and language.
- Teacher toolsRandom printable exam papers and a teacher desk for reading a learner's progress file. Both are previews.
- Clear about what is reviewedUniversity courses are drafts that no teacher has reviewed yet. No qualification is awarded.
A study aid that follows each country's published curriculum. Independent project, not an official school.
One road, five levels
Start where you are, go where you like
- School3 + 4 = 7
- Foundationsx² − 5x + 6 = 0
- Undergraduate∫₀¹ x eˣ dx = 1
- Graduate‖Tx‖ ≤ ‖T‖ ‖x‖
- ResearchP ≟ NP
Browse every school lesson, easiest to hardest →Browse every university course →Enter the Academy →
Math is the language of the future. The same sum means the same in every script. 3+4=7 ٣+٤=٧ ۳+۴=۷
Who is behind it
Founded by Dr. Arash Kermani Kolankeh
Computer scientist and university teacher. Kamangir is an independent project, not an official school. About the project and its founder.