Terms of service

1. Using this site

TI84PlusCalculator.com is free for students, teachers, tutors and schools. You may use the calculators for homework, revision and teaching, demonstrate them on classroom displays, and embed them in a learning platform such as Canvas, Schoology, Blackboard or Google Classroom. Please don’t resell access or present the site as your own product.

2. Trademarks and independence

Model names appear only to identify which hardware a keystroke, feature or guide refers to — nominative fair use. This is a simulator inspired by those calculators; it does not contain their software or operating system.

3. Accuracy

The maths engine is tested against a reference suite, and known gaps are labelled in the interface. Even so, the service is provided “as is” without warranty. Always check important results, and never rely on this site for safety-critical, financial or professional engineering work. If you find a wrong answer, report it — that is the fastest way to get it fixed.

4. Exams

Exam boards require a physical, approved calculator and prohibit browsers, phones and laptops in the exam room. Use this simulator to learn and practise, not as exam equipment. Approved-model lists change, so check your board’s current list before test day.

5. Liability

To the extent permitted by law, TI84PlusCalculator.com and its contributors are not liable for indirect or consequential losses arising from use of the site, including grades, exam outcomes or lost work.

6. Contact

Questions about these terms, classroom permissions or trademark matters can go through our contact page.