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Not affiliated with Texas Instruments
Calcti84.com is an independent website. It is not affiliated with, sponsored by or endorsed by Texas Instruments. TI-84, TI-30XS and TI-89 are trademarks of Texas Instruments and are used here only to describe the calculators our simulators are modelled on.
Accuracy of results
We work to make the calculators accurate, but they are simulators and may contain errors. Results can differ from those of a physical calculator. Check important work another way, and do not rely on the site where a mistake could cause loss or harm.
Exams and tests
Our calculators cannot be used in official exams, because exam rules do not allow internet-connected devices. Use the site for homework, study and practice only.
External links
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No warranty
The site is provided as it is, with no warranty of any kind. To the extent the law allows, we are not liable for any loss or damage that results from using it.
Contact
Questions about this disclaimer can be sent to admin@calcti84.com
Last Updated: October 6, 2026