Privacy Policy
Your privacy is important to us. This privacy policy explains how we collect, use, and protect your information when you use Residual Calculator.
Last updated: December 2024
1. Information We Collect
Information You Provide
When you use the Residual Calculator, we may collect information that you voluntarily provide:
- Data values you enter into our calculators
- Contact information when you reach out to us
- Feedback or suggestions you provide
Automatically Collected Information
We automatically collect certain information when you visit our website:
- IP address and general location information
- Browser type and version
- Operating system information
- Pages visited and time spent on our site
- Referring website information
2. How We Use Information
We use the collected information for the following purposes:
Primary Uses:
- Service Provision: To provide and operate our calculator tools
- User Experience: To improve website functionality and user experience
- Communication: To respond to your inquiries and provide support
- Analytics: To understand how our website is used and improve our services
Important: We do not store or retain any calculation data you enter into our tools. All calculations are performed locally in your browser and are not transmitted to our servers.
3. Data Storage and Security
Data Storage
We implement appropriate technical and organizational measures to protect your information:
- Calculation data is processed entirely in your browser (client-side)
- No sensitive calculation data is stored on our servers
- Website analytics data is stored securely and anonymized
- Regular security assessments and updates
Data Retention
We retain information only as long as necessary for the purposes outlined in this policy:
- Contact inquiries: Retained for up to 2 years for support purposes
- Website analytics: Aggregated data retained for up to 25 months
- Calculation data: Not stored (processed locally only)
4. Cookies and Analytics
Cookies We Use
Our website uses cookies to enhance your experience:
You can control cookies through your browser settings. Disabling cookies may affect some functionality of our website.
5. Third-Party Services
We may use third-party services to improve our website functionality:
- MathJax: For mathematical formula rendering
- Google Analytics: For website analytics (if applicable)
- CDN Services: For faster content delivery
These services have their own privacy policies. We encourage you to review the privacy policies of any third-party services you may encounter.
6. Your Rights
You have the following rights regarding your information:
Access
Request information about what personal data we have about you
Correction
Request correction of inaccurate or incomplete information
Deletion
Request deletion of your personal information
Portability
Request a copy of your data in a portable format
To exercise any of these rights, please contact us at [email protected].
7. Policy Changes
We may update this Privacy Policy from time to time. We will notify you of any material changes by:
- Posting the updated policy on this page
- Updating the "Last updated" date at the top of this policy
- Providing notice on our website homepage (for significant changes)
Your continued use of our services after any changes constitutes your acceptance of the updated Privacy Policy.
8. Contact Information
If you have any questions about this Privacy Policy or our data practices, please contact us:
Response Time
We aim to respond to all inquiries within 48 hours
We are committed to resolving any privacy concerns you may have.