Privacy Policy

Last updated: January 2025

Introduction

Zawhu.top (“we,” “our,” or “us”) operates the website zawhu.top. This privacy policy explains how we collect, use, and protect information when you visit our site.

Information We Collect

Calculator Data: All mathematical computations run in your browser. We do not collect, store, or transmit any values you enter into our calculators. Your mathematical work stays entirely on your device.

Automatically Collected Data: When you visit our site, our web server logs standard information including your IP address, browser type, referring page, and the pages you visit. This data is used solely for security, performance monitoring, and aggregate analytics.

Cookies: We may use cookies for analytics purposes (e.g., Matomo/Piwik) to understand how visitors use our site. You can disable cookies in your browser settings without affecting the functionality of our tools.

How We Use Information

Third-Party Services

We may use the following third-party services:

Data Retention

Server logs are retained for up to 90 days. No personal mathematical data is ever stored on our servers.

Your Rights

Depending on your jurisdiction, you may have the right to access, correct, or delete any personal data we hold. To exercise these rights, contact us at privacy@zawhu.top.

Children’s Privacy

Our tools are educational and may be used by students of all ages. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, contact us and we will promptly remove it.

Changes to This Policy

We may update this policy from time to time. Changes will be posted on this page with an updated date.

Contact

For privacy-related inquiries, email us at privacy@zawhu.top.