Terms of Use

Updated October 9, 2026.

This independent calculator is offered for educational practice. Check important results independently. Availability, complete hardware equivalence, error-free operation and suitability for official examinations are not guaranteed.

Follow the examination provider’s rules; this website does not grant permission to use a calculator in an examination. Use an approved physical calculator where required.

Do not use the service to interfere with its availability or attempt unauthorized access. Third-party names identify referenced products and educational resources; their owners do not endorse this site.

The service is provided as available. Nothing here excludes rights or protections that applicable law does not allow to be excluded. For questions, contact the operator.