Terms and Conditions
These Terms and Conditions govern access to and use of TI-84 Calculator Zone Online, including its browser-based calculator, graphing features, learning guides, articles, links, support resources, and related website services.
Agreement Between You and the Website
By visiting, browsing, or using TI-84 Calculator Zone Online, you agree to these Terms and Conditions and to any policies incorporated by reference. If you do not agree, you should stop using the website.
You represent that you have the legal capacity to accept these terms. A minor should use the website only with appropriate permission or supervision from a parent, guardian, teacher, or responsible adult.
These terms apply to casual visitors, students, teachers, parents, institutions, content readers, and anyone using the calculator or other website features.
Important summary
- Use the website for lawful educational purposes.
- Check important answers with reliable sources.
- Follow classroom, institutional, and exam rules.
- Do not manipulate advertisements or website traffic.
- Do not attempt to damage, overload, or misuse the site.
An Independent Educational Resource
The website is intended to make general calculator practice and mathematics learning more accessible.
Learning support
The calculator, graphs, tables, and guides are provided for general practice, exploration, homework support, and educational reference.
No manufacturer affiliation
TI-84 Calculator Zone Online is not affiliated with, sponsored by, approved by, or endorsed by Texas Instruments.
No institutional endorsement
References to schools, colleges, universities, examinations, products, or organizations do not imply partnership or endorsement.
How You May Use the Website
Subject to these terms, you may access and use the publicly available website for personal, classroom, study, informational, and other lawful non-abusive purposes.
- Practice mathematical expressions and functions
- Explore graphs and numerical tables
- Read tutorials and troubleshooting guidance
- Use content as a learning reference
- Share links to public pages responsibly
What You Must Not Do
You may not use the website in a way that violates law, harms others, interferes with operation, or unfairly exploits our content or systems.
- Attempt unauthorized access or security testing
- Introduce malware, harmful scripts, or automated abuse
- Scrape the website excessively or overload servers
- Copy and republish substantial content as your own
- Misrepresent affiliation with the website
You Are Responsible for Verifying Results
Online calculations can be affected by input formatting, browser behavior, angle mode, graph windows, rounding, software limitations, and user error.
Input syntax
Missing brackets, incorrect symbols, unsupported notation, or order-of-operations mistakes can change the result.
Calculator settings
Degree/radian mode, display settings, graph boundaries, and stored values can affect interpretation.
Rounding
Displayed numbers may be rounded or approximated and may not show every significant digit.
Independent checking
Important work should be checked using course materials, a teacher, an approved calculator, or another reliable source.
Use the Tool to Learn, Not to Misrepresent Work
The website should support understanding, checking, and exploration. It should not be used to violate academic rules, submit work dishonestly, evade teacher instructions, or gain an unfair advantage.
Your responsibilities
- Follow your teacher’s calculator instructions
- Show working when required
- Do not present generated results as independent reasoning
- Respect homework, assessment, and collaboration rules
- Ask an instructor when use is uncertain
This Browser Tool Is Not an Exam-Approved Calculator
Exam policies can change and may differ by administration, section, location, testing mode, and calculator model.
| Study area | Possible practice use | Your responsibility |
|---|---|---|
| SAT and PSAT/NMSQT | Algebra, functions, graphs, arithmetic, and quantitative reasoning practice. | Check the current official test policy and testing interface. |
| ACT | Practice expressions, equations, graphs, and time-efficient calculator workflows. | Confirm permitted models and prohibited features for your administration. |
| AP Calculus and AP Precalculus | Explore functions, numerical values, graphs, rates, intersections, and transformations. | Use only devices and functions allowed by the official exam rules. |
| AP Statistics and AP Physics | Practice numerical reasoning, scientific notation, data, probability, and graph interpretation. | Follow the current calculator policy and your teacher’s instructions. |
| College assessments | Support preparation for selected mathematics and science coursework. | Ask the instructor or institution what technology is permitted. |
Google AdSense and Third-Party Advertising
The website may display advertisements through Google AdSense or other advertising partners. Advertising helps support hosting, development, content maintenance, and access to free educational resources.
Third-party advertising services may use cookies, IP addresses, browser information, device information, or similar technologies as described in our Privacy Policy and the providers’ own policies.
Advertising conduct
You must not click advertisements repeatedly, encourage others to click ads, use automated systems to create impressions or clicks, or engage in conduct intended to manipulate advertising performance.
We may investigate suspicious traffic, restrict access, cooperate with service providers, or take other reasonable action when invalid traffic, automated abuse, or advertising manipulation is suspected.
Ownership and Limited Permission
Unless otherwise stated, the website’s original layout, text, branding, graphics, tutorials, code arrangements, and other original materials are protected by applicable intellectual-property laws.
Our content
You may read, reference, and link to public pages. You may not reproduce substantial content, remove notices, or republish it commercially without permission.
Third-party marks
TI-84, Texas Instruments, school names, exam names, and other third-party marks belong to their respective owners.
Fair references
Product, institution, and examination names may be used descriptively to explain educational context and compatibility topics.
External Websites Are Outside Our Control
The website may link to official exam bodies, educational resources, advertising services, or other third-party websites. Links are provided for convenience or reference.
We do not control external content, availability, security, privacy, products, services, or business practices. You access third-party websites at your own discretion and under their terms.
Feedback, Suggestions, and Messages
When you send feedback or suggestions, you confirm that you have the right to share them and that the message does not violate another person’s rights.
You grant us permission to use non-confidential suggestions to improve the website without an obligation to compensate you. Personal information remains subject to our Privacy Policy.
Website Features May Change
We may modify, update, replace, restrict, suspend, or discontinue any part of the website when reasonably necessary.
Updates
Features, design, content, links, calculator logic, and tutorials may be revised without prior notice.
Interruptions
Maintenance, hosting problems, browser issues, security incidents, or technical failures may interrupt access.
Removal
We may remove outdated, unsafe, inaccurate, duplicated, or no-longer-supported features and content.
Protection
We may limit access when necessary to protect users, systems, advertising accounts, or legal rights.
The Website Is Provided “As Is”
To the maximum extent permitted by law, the website and its content are provided on an “as is” and “as available” basis, without express or implied warranties.
We disclaim warranties regarding accuracy, completeness, merchantability, fitness for a particular purpose, non-infringement, availability, security, compatibility, reliability, and uninterrupted operation.
We do not warrant that the calculator will match every function, display, result, limitation, or behavior of a physical TI-84 model or any official testing calculator.
Limits on Claims and Damages
These limitations apply to the fullest extent permitted by applicable law.
TI-84 Calculator Zone Online, its operators, contributors, contractors, and service providers will not be liable for indirect, incidental, consequential, special, exemplary, or punitive damages arising from or connected with website use.
This includes, without limitation, loss of data, loss of marks or academic opportunities, incorrect calculations, missed deadlines, examination issues, device problems, loss of revenue, advertising issues, or reliance on website content.
Where liability cannot legally be excluded, liability will be limited to the minimum amount permitted by applicable law. Some jurisdictions do not permit certain exclusions, so parts of this limitation may not apply to you.
Responsibility for Your Misuse
To the extent permitted by law, you agree to defend, indemnify, and hold harmless the website operators and contributors from claims, losses, liabilities, and reasonable expenses arising from your unlawful misuse, violation of these terms, infringement of rights, or manipulation of website systems or advertisements.
Access May Be Restricted
We may restrict or terminate access, block abusive traffic, remove submissions, or take other reasonable measures if we believe a user has violated these terms, threatened security, interfered with operation, created invalid advertising activity, or exposed the website to legal or technical risk.
Team, Student Feedback, Colleges, and Universities
Community examples help explain the website’s educational purpose, but they do not create institutional partnerships or guarantees.
Content and technical review
Ethan Carter
Math Content EditorLucas Bennett
Front-End DeveloperTeam descriptions explain the types of work involved in maintaining educational content and website features. They do not create a professional tutoring, legal, financial, or examination-advisory relationship.
★★★★★The calculator helped me check a graph during practice, but I still followed my teacher’s method and used the approved device during assessment.
The named institutions do not sponsor, endorse, approve, or maintain this website. Their names are included only as educational examples.
Why and How to Contact Us
You may contact us to report a calculator problem, broken link, inaccessible feature, privacy concern, inaccurate statement, copyright issue, advertising problem, or possible violation of these terms.
Provide the relevant page, a clear description, the input involved, and your device or browser when reporting a technical issue. Do not send passwords, payment details, confidential records, or other unnecessary sensitive information.
How we may respond
- Clarify website instructions
- Review technical or graphing issues
- Correct verified content errors
- Remove or revise problematic material
- Request more non-sensitive technical details
- Decline requests outside the website’s scope
Entire Agreement, Severability, and Waiver
These Terms and Conditions, together with the Privacy Policy and other notices displayed on the website, form the agreement concerning your use of the site.
If a provision is found invalid or unenforceable, the remaining provisions will continue to apply to the fullest extent permitted. A failure to enforce a provision is not a permanent waiver of that provision or any other right.
You may not transfer your rights or obligations under these terms without permission. We may transfer website-related rights and obligations as part of an operational, organizational, or ownership change.
Governing rules
These terms are intended to operate to the maximum extent permitted by applicable law. Mandatory consumer protections and other rights that cannot lawfully be excluded remain unaffected.
Before beginning a formal dispute, you are encouraged to contact us with a clear description so the matter can be reviewed informally where appropriate.
Updates and Continued Use
We may revise these terms to reflect changes in website features, advertising services, legal requirements, security practices, or operating arrangements.
Updated terms will be posted on this page with a revised effective or updated date. Material changes may also be highlighted through an additional website notice when appropriate.
Your continued use after revised terms take effect means you accept the updated terms, except where applicable law requires a different form of notice or consent.
You should review this page periodically, especially before relying on a new feature or using the website for an important academic purpose.
Terms and Conditions FAQs
Is this an official Texas Instruments website?
No. It is an independent educational resource and is not affiliated with, sponsored by, approved by, or endorsed by Texas Instruments.
Can I use the browser calculator during an exam?
You should not assume that it is permitted. Only the official exam authority, testing center, teacher, or institution can confirm which calculators and devices may be used.
Are calculator answers guaranteed?
No. Results may be affected by syntax, settings, rounding, software limitations, browser behavior, or errors. Verify important answers independently.
Can I copy website content to another site?
You may link to public pages and make limited lawful references, but you may not copy and republish substantial original content as your own without permission.
Why does the website display advertisements?
Advertising may help support hosting, maintenance, development, and free access. Users must not manipulate ad impressions or clicks.
Use the Resource to Practice, Check, and Learn
By continuing to use the website, you agree to follow these terms, verify important information, respect academic rules, avoid advertising manipulation, and use the calculator as a learning aid rather than a guaranteed replacement for approved devices or professional instruction.