Clear rules for using DeciCalc.
By using this website, you agree to these terms. If you disagree, please do not use the service.
Permitted use
You may use DeciCalc for lawful personal and business research. You may not interfere with the service, attempt unauthorized access, misrepresent results, or reproduce the site at scale without written permission.
Educational service
Calculators simplify real-world decisions and can omit relevant factors. They do not replace qualified professional advice, due diligence, or authoritative source material.
Intellectual property
The DeciCalc brand, interface, original explanations, and editorial materials are protected by applicable intellectual-property laws. Underlying mathematical principles remain available to everyone.
Availability and liability
The service is provided “as is” without warranties. To the maximum extent permitted by law, DeciCalc is not liable for losses arising from reliance on estimates, interruptions, third-party content, or unauthorized use.
Changes and contact
We may update the service and these terms. Questions may be sent to info@decicalconline.com.
Last reviewed: August 2, 2026