Last updated: April 19, 2026 · Please read these terms carefully before using the site.
Welcome to ModCalculator.org. By accessing or using this website, you agree to be bound by these Terms & Conditions. If you do not agree with any part of these terms, please discontinue use of the site immediately.
These Terms & Conditions govern your use of ModCalculator.org. By using this site you confirm that you are at least 13 years of age and have the legal capacity to enter into these terms.
ModCalculator.org grants you a free, non-exclusive, non-transferable, revocable licence to use this website for personal and commercial purposes. You may share links to the site freely. No attribution is required, though it is appreciated.
You must not:
The design, layout, CSS, JavaScript, written content, and branding of ModCalculator.org are the intellectual property of ModCalculator.org and are protected under applicable copyright law. The underlying mathematical concepts (modular arithmetic) are in the public domain.
While we strive for accuracy, calculations are provided "as is." For critical applications, please verify results independently. See our full Disclaimer for details.
Your use of this site is also governed by our Privacy Policy, which is incorporated into these Terms by reference.
To the maximum extent permitted by law, ModCalculator.org shall not be liable for any damages arising from or related to your use of this website, including direct, indirect, incidental, or consequential damages.
We reserve the right to modify, suspend, or discontinue any part of the site at any time without prior notice. We shall not be liable to you or any third party for any such modification or discontinuation.
These Terms & Conditions shall be governed by and construed in accordance with applicable law. Any disputes shall be resolved in the appropriate courts of jurisdiction.
We may update these Terms & Conditions at any time. The updated date at the top of this page indicates the most recent revision. Continued use of the site after changes constitutes your acceptance of the new terms.
If you have any questions about these Terms & Conditions, please contact us: