Privacy Policy

Last updated: December 2024

Information We Collect

Personal Information

We do not collect, store, or process any personal financial information. All calculations are performed locally in your browser and are not transmitted to our servers.

Local Storage

Our calculator uses your browser's local storage to save your calculation history for your convenience. This data remains on your device and can be cleared at any time through your browser settings or by using the "Clear History" button in the calculator.

Automatically Collected Information

  • Browser type and version
  • Operating system
  • Pages visited and time spent
  • Referring website
  • IP address (anonymized)

How We Use Information

  • Service Improvement: To understand how users interact with our calculators and improve functionality
  • Technical Support: To identify and fix technical issues
  • Analytics: To understand usage patterns and optimize user experience
  • Security: To protect against abuse and ensure service availability

Cookies and Tracking

Essential Cookies

We use essential cookies to ensure the proper functioning of our website. These cannot be disabled.

Analytics Cookies

We may use analytics services to understand how visitors use our site. These services may use cookies to collect information about your visit.

Third-Party Services

We use the following third-party services:

  • Bootstrap CDN: For website styling
  • Chart.js CDN: For displaying charts
  • KaTeX CDN: For mathematical formula rendering

Data Security

We implement appropriate security measures to protect against unauthorized access, alteration, disclosure, or destruction of your personal information:

  • All calculations are performed locally in your browser
  • No financial data is transmitted to our servers
  • We use HTTPS encryption for all communications
  • Regular security updates and monitoring

Your Rights

Data Control

Since we don't store your personal financial data on our servers, you have complete control over your information:

  • Clear your calculation history at any time
  • Disable cookies through your browser settings
  • Use the calculator without creating an account

Contact Us

If you have questions about this Privacy Policy or our data practices, please contact us through our contact page.

Third-Party Links

Our website may contain links to other websites. We are not responsible for the privacy practices of these external sites. We encourage you to read their privacy policies before providing any information.

Children's Privacy

Our service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.

Changes to Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

Your continued use of our service after we post any modifications to the Privacy Policy will constitute your acknowledgment and acceptance of the modifications.