Privacy Policy

Your privacy matters. Here's exactly what we collect and why.

Last updated: January 2025

Welcome to DiscriminantCalculator.com. This Privacy Policy explains how we collect, use, and protect any information that you may provide when using our website and tools. We are committed to protecting your privacy and being transparent about our data practices.

1. Who We Are

DiscriminantCalculator.com is a free online mathematics tool website. Our primary service is a discriminant calculator that computes D = b² – 4ac for quadratic equations, along with related educational content.

2. Information We Collect

2.1 Automatically Collected Information

When you visit our website, our web server may automatically collect standard log data including:

  • Your IP address (anonymized where possible)
  • Browser type and version
  • Pages visited and time spent on each page
  • Referring website (how you found us)
  • General geographic region (country/city level only)

This information is collected for analytical purposes to understand how our site is used and to improve our service. It is not linked to any personally identifiable information.

2.2 Calculator Usage Data

All calculations you perform using our discriminant calculator are processed entirely within your browser. We do not collect, store, or transmit the values (a, b, c) you enter into our calculator. Your mathematical inputs never leave your device.

2.3 Contact Form Data

If you choose to contact us via our contact form, we collect the name, email address, and message content you submit. This data is used solely to respond to your inquiry and is not shared with third parties.

3. How We Use Your Information

We use the limited information we collect to:

  • Operate and improve the website and its tools
  • Analyze traffic patterns and user behavior in aggregate
  • Respond to contact form submissions
  • Diagnose technical problems
  • Ensure website security

We do not use your information for advertising, profiling, or any commercial purpose beyond operating this website.

4. Cookies

DiscriminantCalculator.com uses minimal cookies. We may use:

  • Essential cookies: Required for basic site functionality (e.g., session management). These cannot be disabled.
  • Analytics cookies: Anonymous data to help us understand site traffic. You may opt out of these via your browser settings.

We do not use advertising cookies or tracking cookies for cross-site user profiling.

5. Third-Party Services

We may use limited third-party services to help operate our website, such as web analytics tools. These services may collect anonymous usage data subject to their own privacy policies. We do not sell your data to third parties.

Google Fonts may be used for typography. When loaded, Google may collect your IP address. You can review Google's privacy practices at policies.google.com/privacy.

6. Data Retention

Contact form submissions are retained for a maximum of 12 months, after which they are permanently deleted. Server log data is typically retained for 90 days. We do not retain calculator input data as none is collected.

7. Your Rights

Depending on your jurisdiction, you may have the right to:

  • Access the personal data we hold about you
  • Request correction of inaccurate data
  • Request deletion of your data
  • Object to or restrict processing of your data
  • Lodge a complaint with a supervisory authority

To exercise any of these rights, please contact us via our contact page.

8. Children's Privacy

Our website is intended for general audiences and is commonly used by students of all ages. We do not knowingly collect any personal information from children under 13. If you believe we have inadvertently collected such information, please contact us immediately so we can delete it.

9. Data Security

We implement appropriate technical and organisational measures to protect any information we hold against unauthorized access, alteration, disclosure, or destruction. Our website uses HTTPS encryption for all data in transit.

10. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this page periodically to stay informed about our data practices.

11. Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us via our contact page or email us at hello@discriminantcalculator.com.