1. Introduction
Welcome to BufferCalc Pro. We are committed to protecting your privacy and maintaining the highest standards of data protection. This Privacy Policy explains how we handle information when you use our educational buffer calculator tool.
Our Privacy Philosophy
BufferCalc Pro is designed with privacy in mind. We believe in collecting the minimum amount of data necessary to provide our educational service.
2. Scope of This Policy
This Privacy Policy applies to:
- All visitors to buffercalc.pro
- Users of the BufferCalc Pro calculator tool
- Anyone submitting feedback or using our resources
This policy does not apply to third-party websites linked from our Service.
3. Information We Collect
3.1 Information You Provide
| Data Type |
Purpose |
Storage |
| Calculation Inputs |
To perform buffer calculations |
Browser memory only (not sent to server) |
| Feedback/Contact Form Data |
To improve the Service |
Until request is processed, then deleted |
| Language Preference |
To remember your language choice |
Browser localStorage |
3.2 Automatically Collected Information
We may collect limited technical information automatically:
- Browser type and version: To optimize website display
- Device type: To ensure mobile compatibility
- IP address (anonymized): For security and analytics
- Usage patterns: To improve user experience
3.3 What We Do NOT Collect
BufferCalc Pro does not collect:
- Personal identification information (name, email, etc.)
- Payment information (we don't process payments directly)
- Location data (beyond country-level for analytics)
- Sensitive personal data
4. How We Use Your Information
We use collected information solely for:
- Service Provision: To perform buffer calculations
- Improvement: To enhance the calculator functionality
- Analytics: To understand usage patterns (anonymized)
- Security: To protect against misuse
- Communication: To respond to user feedback
No Commercial Use
We do not sell, rent, or trade your information. We do not use your data for targeted advertising or marketing purposes.
5. Data Storage and Security
5.1 Where Data is Stored
BufferCalc Pro operates as a static website with the following storage:
- Browser Storage: Calculations and preferences are stored locally in your browser
- No Server Database: We do not maintain a database of user information
- Transient Storage: Feedback is processed and deleted
5.2 Security Measures
We implement appropriate security measures including:
- HTTPS encryption for all data transmission
- Regular security updates
- Minimal data collection principle
- Secure hosting infrastructure
5.3 Data Retention
We retain data only as long as necessary:
- Calculation data: Stored in your browser, deleted when you clear cache
- Analytics data: Anonymized and aggregated, retained for 14 months
- Feedback: Retained for 30 days after resolution
6. Cookies and Tracking Technologies
6.1 Cookies We Use
| Cookie Type |
Purpose |
Duration |
| Essential Cookies |
Language preference, form functionality |
Session or 1 year |
| Analytics Cookies |
Anonymous usage statistics (if enabled) |
14 months |
6.2 Cookie Control
You can control cookies through your browser settings:
- Disable Cookies: Most browsers allow you to disable cookies
- Delete Cookies: You can delete existing cookies
- Private Browsing: Use incognito/private mode
No Third-Party Advertising Cookies
BufferCalc Pro does not use third-party advertising cookies or tracking pixels.
7. Third-Party Services
7.1 Services We Use
We may use the following third-party services:
- Hosting Services: For website delivery
- Analytics Services: For anonymous usage statistics
- Font Services: For typography (Font Awesome)
- PDF Generation: Client-side PDF creation (jsPDF)
7.2 External Links
BufferCalc Pro contains links to external resources:
- Sigma-Aldrich buffer reference
- Scientific publications
- Educational resources
We are not responsible for the privacy practices of these external sites.
8. Your Rights and Choices
8.1 Your Rights
Depending on your location, you may have rights including:
- Right to Access: Request information about data we hold
- Right to Rectification: Correct inaccurate data
- Right to Deletion: Request deletion of your data
- Right to Restrict Processing: Limit how we use your data
- Right to Object: Object to certain processing
- Right to Data Portability: Receive your data in usable format
8.2 How to Exercise Your Rights
To exercise any of these rights:
- Contact us at buffercalcpro@gmail.com
- Clearly state which right you wish to exercise
- We will respond within 30 days
No Account Required
Since BufferCalc Pro doesn't require user accounts, most data is stored locally in your browser. You can clear this data at any time by clearing your browser cache.
9. Children's Privacy
BufferCalc Pro is an educational tool suitable for students of all ages. However:
- We do not knowingly collect personal information from children under 13
- The Service is designed to be safe for educational use
- Parents/teachers should supervise young students' internet use
If you believe a child under 13 has provided us with personal information, please contact us immediately.
10. International Data Transfers
BufferCalc Pro is based in South Africa but may use international hosting services. We ensure that:
- Data transfers comply with applicable laws
- Appropriate safeguards are in place
- Minimal data is transferred internationally
11. Data Protection Officer
As a small educational project, BufferCalc Pro does not have a formal Data Protection Officer. However, privacy matters are handled by:
Dr. Gerard Aimé Kenfack Teponnou
Project Maintainer
Email: buffercalcpro@gmail.com
12. Changes to This Privacy Policy
We may update this Privacy Policy periodically. When we do:
- We will update the "Last Updated" date
- We will post the updated policy on our website
- We will not reduce your rights without explicit consent
- Continued use constitutes acceptance of changes
13. Compliance Information
BufferCalc Pro strives to comply with:
- General Data Protection Regulation (GDPR): For EU users
- Protection of Personal Information Act (POPIA): For South African users
- California Consumer Privacy Act (CCPA): For California residents
- Children's Online Privacy Protection Act (COPPA): For children's protection