Terms of Use

Last updated: October 9, 2026

Using the service

The tools are free and provided for general informational use. You are responsible for your inputs and for checking whether the results suit your circumstances. Do not use the service to disrupt the site, infringe another person’s rights or process data you are not authorized to use.

Calculations and limitations

Outputs are estimates based on the inputs and formulas described in our guides. They are not financial, tax, accounting or legal advice. Results may omit taxes, fees, rounding effects and business-specific factors. Verify consequential decisions with appropriate records and qualified advice.

Availability and responsibility

We aim for useful, accurate tools but do not guarantee uninterrupted availability or error-free results. To the extent permitted by applicable law, the service is provided as available without warranties. Nothing here limits rights or responsibilities that cannot lawfully be limited.

Changes and contact

We may improve tools and update these terms. Changes will be dated on this page. Report issues to masatada1015@gmail.com.