Terms Of Service
Last updated: 12/21/2025
Welcome to calc.ninja. By accessing, purchasing, or using our products or services, you agree to be bound by the following Terms of Service (“Terms”). If you do not agree to these Terms, do not use or purchase our products.
1. Overview
Calc.ninja sells modified graphing calculators and related products intended for educational and learning purposes, including studying, homework review, tutoring, and independent practice.
By purchasing or using calc.ninja, you acknowledge that you are responsible for how the product is used and for complying with all applicable rules, policies, and laws.
2. Intended Use
Calc.ninja products are intended for:
- Studying and learning
- Homework and practice problem review
- Tutoring and independent practice
- Educational support outside of assessments
Calc.ninja products are not intended for use during exams, quizzes, tests, or any academic activity where external assistance is prohibited. Use of the product in such contexts may violate academic integrity policies.
Calc.ninja does not encourage, condone, or promote academic dishonesty.
3. User Responsibility
You are solely responsible for:
- Understanding and following your school’s academic integrity policies
- Determining whether use of calc.ninja is permitted in a given context
- Any consequences resulting from misuse of the product
Calc.ninja assumes no responsibility for disciplinary action, penalties, or consequences imposed by educational institutions or third parties.
4. Hardware Modifications & Product Nature
Calc.ninja products do include modified hardware, including embedded components designed to support educational functionality.
By purchasing, you acknowledge that:
- The product is modified from its original manufacturer configuration
- Modifications may affect warranties or manufacturer support
- Calc.ninja is not affiliated with or endorsed by Texas Instruments
All products are sold as-is, except where otherwise required by law.
5. No Affiliation or Endorsement
Calc.ninja is an independent product and is not affiliated with, endorsed by, or sponsored by Texas Instruments or any educational institution.
All trademarks belong to their respective owners.
6. Software & AI Services
Calc.ninja relies on third-party software, AI services, or APIs to provide functionality.
We do not guarantee:
- Accuracy, completeness, or correctness of outputs
- That results are error-free or suitable for graded submission
AI-generated assistance is intended for learning support, not authoritative answers.
7. Privacy & Data
Calc.ninja does not intentionally collect personal data beyond what is necessary to operate the store and fulfill orders.
Any data captured or processed by the device is controlled by the user. Calc.ninja is not responsible for how users handle, store, or share captured content.
8. Limitation of Liability
To the fullest extent permitted by law, calc.ninja shall not be liable for:
- Academic penalties or disciplinary actions
- Loss of grades, credits, or academic standing
- Misuse of the product
- Indirect, incidental, or consequential damages
Use of calc.ninja products is at your own risk.
9. Returns & Refunds
Because calc.ninja products involve hardware modifications and custom preparation, all sales are final unless otherwise stated.
Refunds or exchanges are only provided in cases of verified defects or where required by applicable law. We are unable to offer refunds for buyer’s remorse, misuse, or institutional policy restrictions.
10. Changes to Terms
We reserve the right to update or modify these Terms at any time. Changes will be effective upon posting. Continued use of the product constitutes acceptance of updated Terms.
11. Governing Law
These Terms shall be governed by and construed in accordance with the laws of the United States and the state in which calc.ninja operates, without regard to conflict of law principles.
12. Contact Information
For questions regarding these Terms, please contact:
support@calc.ninja (or your chosen support email)