Terms & Conditions
Last updated: July 8, 2026
Acceptance of terms
By using TI-84 Calculator ("the site"), you agree to these terms. If you don't agree, please don't use the site.
What the site is
TI-84 Calculator is a free, browser-based scientific and graphing calculator inspired by the layout and function set of the Texas Instruments TI-84 Plus CE. It is an independent, original project — it is not affiliated with, endorsed by, or sponsored by Texas Instruments. "TI-84" and "TI-84 Plus CE" are trademarks of Texas Instruments, used here only to describe compatibility and inspiration.
No account required
The site doesn't require registration. Your history, variables, saved graphs, and programs are stored locally in your browser, and you're responsible for backing up anything you don't want to lose (for example, before clearing browser data or switching devices).
Accuracy disclaimer
We aim for calculation results to be accurate and to match the behavior of a physical TI-84, but the site is provided "as is," without warranty of any kind. For graded coursework, exams, financial decisions, or any other high-stakes use, verify results independently rather than relying solely on this tool.
Acceptable use
Don't attempt to disrupt the site, scrape it at abusive volume, reverse-engineer it to redistribute as your own, or use it for any unlawful purpose. We reserve the right to restrict access for behavior that interferes with the service for other users.
Limitation of liability
To the fullest extent permitted by law, TI-84 Calculator and its operators aren't liable for any damages arising from your use of, or inability to use, the site — including errors in calculations, graphs, or stored data.
Advertising
The site may display ads served by Google AdSense or similar networks to help cover hosting costs. See our Privacy Policy for details on the cookies these networks use.
Changes to these terms
We may update these terms occasionally. Continued use of the site after a change means you accept the revised terms.
Contact
Questions about these terms? Reach out via the Contact Us page.