Legal

Terms of Use

Last updated: October 13, 2026

By using CalcOS, you agree to these terms. Please read them carefully.

Acceptance of Terms

›By accessing CalcOS, you agree to be bound by these Terms of Use.
›If you do not agree, please do not use the service.

Use of the Service

›CalcOS is provided for educational and personal use.
›You may not use CalcOS for any illegal or unauthorized purpose.
›Commercial embedding requires a separate licensing agreement.

Intellectual Property

›The CalcOS name, logo, and design are trademarks of CalcOS.
›TI-84® is a registered trademark of Texas Instruments. CalcOS is not affiliated with Texas Instruments.
›The calculator is an independent implementation and does not contain TI software.

Disclaimer of Warranties

›CalcOS is provided "as is" without warranties of any kind.
›We do not guarantee accuracy for critical applications.
›Do not use CalcOS for medical, financial, or safety-critical calculations.

Limitation of Liability

›CalcOS shall not be liable for any indirect or consequential damages.
›Our total liability shall not exceed the amount you paid ($0 for free users).

Modifications

›We reserve the right to modify these terms at any time.
›Continued use constitutes acceptance of updated terms.

Contact

›Questions? Email us at hello@calcos.io.