Terms of Use

These terms govern the Alphabeta Math website and mobile app (together, the service), operated by Prestige Intelligence from Australia. By using the service you agree to them. Reading the library requires no account and no payment, and these terms keep that true.

Last updated 21 August 2026.

The service

Alphabeta Math is a mathematics library: definitions, theorems, proofs, examples and study tools, on the web and in the mobile app. The mobile app keeps its bookmarks, notes, study goals and reading positions on your device. The website dashboard stores the goals, bookmarks, lists and got-it marks you create there with your optional account, as the privacy policy describes. We work to keep the service available and the content correct, but we may change, suspend or discontinue any part of it.

Your account

The website dashboard and mobile app offer an optional sign-in with a Google account. An account is for one person and must be yours. You are responsible for what happens under your sign-in. You can stop using the service at any time and permanently delete the Alphabeta account and its associated server data through the account-deletion page. Deletion does not cancel a subscription or erase local app data. We may suspend or close an account that breaks these terms.

The content and its licence

The mathematical content of the library is licensed under CC BY-NC-SA 4.0, and the licence page — not this page — governs how you may reuse it. Nothing in these terms narrows what that licence grants. The application, its design, and its name are not covered by that licence.

Fair use of the service

Do not probe, overload or interfere with the service, attempt to access accounts or data that are not yours, evade rate limits, or use the forms to send spam or unlawful material. Automated bulk access to the servers is not permitted without asking first — the licence gives generous rights to the content itself, and the contact form is the way to arrange a copy of it.

What you send us

Feedback, issue reports and contact messages may be used to correct and improve the library, credited or not. Send only what you have the right to send, and nothing confidential.

Trial and paid AI features

Signing in starts one free 3-day AI trial for that Google identity. AI study assistance is then offered as a monthly subscription. Website purchases are processed by Creem, our merchant of record; Android in-app purchases are processed by Google Play. The applicable checkout shows the price, renewal terms and any offer before you confirm. A subscription renews until cancelled. Website subscriptions can be cancelled from the website account page; Play subscriptions can be cancelled in Google Play. Cancellation takes effect at the end of the paid period unless the provider or law requires otherwise. Deleting an account does not cancel either subscription. Statutory refund rights are never limited. AI features have the usage limits shown in the service, currently two questions per minute.

AI-generated responses are not part of the verified library and can be wrong, even when they sound confident. They are study assistance, not professional advice, and checking a result before relying on it remains your responsibility. If you upload your own work — such as a proof to be checked — it stays yours; you grant us only the permission needed to process it and return a response, and you must hold the rights to whatever you upload.

No warranty, and our liability

The service is provided as-is. The library's verification process is described honestly on the about page, and it does not make the content error-free. To the extent the law allows, we exclude implied warranties, and our total liability for any claim relating to the service is limited to the amount you paid us in the twelve months before the claim — nothing, for a free reader. Nothing in these terms excludes rights that cannot lawfully be excluded, including under the Australian Consumer Law.

Changes and governing law

We may update these terms; the date above changes when we do, and continued use after a change means you accept it. These terms are governed by the laws of Australia, under the non-exclusive jurisdiction of its courts.