Privacy Policy

1. Zero Server-Side Calculation Logging

Unlike cloud-based tools that send your numbers over the network, 100% of calculations performed on Cone Volume Formula run entirely on your own device inside your web browser via client-side JavaScript.

When you enter a radius, height, slant angle, or unit preference, that information never leaves your browser and is never stored on our servers.

2. No Personal Accounts or Sign-Ups

Our platform does not require registration, login credentials, passwords, or personal profiles. You can access all 16 calculators, formula derivations, 3D diagrams, and quizzes completely anonymously.

3. Local Storage & Cookie Usage

We do not use invasive tracking cookies or commercial advertising beacons. The only browser storage mechanisms used on this site are:

• Language Preferences: We store your chosen language selection (e.g., en, es, fr) in local browser storage so the site displays in your preferred language across visits.
• Theme Consistency: We store default dark-mode display preferences locally.

4. Student Safety & COPPA Compliance

We strictly comply with the Children's Online Privacy Protection Act (COPPA) and FERPA principles. Because we do not collect personal identifiers, email addresses, or location coordinates from general visitors, our tools are 100% safe for elementary, middle school, and high school classroom environments.

5. Content Delivery Networks (CDNs)

To ensure rapid page loading across the globe, standard static libraries (such as KaTeX math fonts and Google Web Fonts) are loaded via high-reputation global CDNs (Cloudflare, jsDelivr, Google Fonts). These networks may record standard IP connection logs for DDoS prevention and cache optimization in accordance with their respective privacy policies.

6. Communications

If you voluntarily reach out via our contact form or support email, your name and email address are used solely to reply to your inquiry. We will never sell, rent, or distribute your email address to third parties or marketing lists.