Privacy Policy
Effective Date: January 1, 2026
1. Overview
At Limit Calculator (limitcalculator.net), we take your personal privacy seriously. This Privacy Policy outlines what information is collected when you use our website, how that information is handled, and how we protect your rights.
2. Client-Side Mathematical Privacy
Limit Calculator is built as a client-side educational tool. All mathematical equations, functions, and limit calculations you input are processed directly within your web browser using JavaScript.
- We do not record, store, or monitor the mathematical expressions you enter.
- Calculations are never sent to a remote database or shared with third parties.
- You can use the calculator without creating an account or providing personal details.
3. Information We Collect Automatically
Like most web services, our servers may automatically collect standard technical log data when you visit our site. This information is non-personally identifiable and includes:
- Browser type, version, and operating system.
- Referring website and pages viewed.
- Date, time, and general geographic region of access.
This data is used solely to maintain server performance, diagnose technical issues, prevent abuse, and optimize site reliability.
4. Cookies & Local Storage
We use browser local storage and essential cookies to remember your preferences between sessions:
limitcalc_cookie_consent: Stores your cookie banner acknowledgement.theme: Saves your preferred Dark Theme or Light Theme interface.calc_history: Temporarily caches recently evaluated expressions in your browser for quick access.
For comprehensive details on all storage items and cookie controls, please read our dedicated Cookies Policy.
5. Third-Party Services & Advertising
We may partner with third-party service providers to support our free website:
- Google AdSense & DoubleClick: Third-party vendors, including Google, use cookies to serve ads based on a user’s prior visits to this website or other websites. Google’s use of advertising cookies enables it and its partners to serve ads based on visits to our site and/or other sites on the Internet. Users may opt out of personalized advertising by visiting Google Ads Settings or aboutads.info.
- Content Delivery Networks (CDNs): We use CDNs such as jsDelivr and Cloudflare to load open-source mathematical rendering scripts (KaTeX) and standard web fonts quickly and securely.
6. Contact Form Inquiries
If you contact us via our Contact Us form or by emailing hello@limitcalculator.net, the information you provide (name, email address, message) is used solely to respond to your inquiry. We do not use your contact information for marketing, nor do we sell or share it with third parties.
7. Managing Your Privacy & Browser Settings
You can control, disable, or delete cookies and browser local storage at any time through your web browser settings (Chrome, Firefox, Safari, Edge). Blocking essential storage will not prevent the calculator from working, though your theme or saved preferences may reset when you refresh the page.
8. Children’s Privacy
Limit Calculator is an educational website that does not knowingly collect any personal information from children under the age of 13.
9. Updates to This Policy
We may revise this Privacy Policy periodically to reflect updates in our website functionality or legal standards. Changes will be posted on this page with an updated effective date.
10. Contact Us
If you have questions about this Privacy Policy or our data handling practices, please contact us at hello@limitcalculator.net or visit our Contact page.