Introduction
At TI-84 Plus CE Calculator Online, we are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, and safeguard your information when you use our calculator application.
Information We Collect
Information You Provide
- Calculator Data: Your calculations, programs, variables, and settings are stored locally in your browser
- Uploaded Files: Any .8xp files you upload are processed and stored locally
- Usage Data: Basic usage statistics to improve our service
Information We Don't Collect
- Personal identification information (name, email, address)
- Account information or login credentials
- Payment information
- Location data
- Device identifiers
How We Use Your Information
- Calculator Functionality: To provide the calculator features you request
- Data Storage: To save your work locally in your browser
- Service Improvement: To analyze usage patterns and improve our application
- Technical Support: To help resolve any technical issues you may encounter
Data Storage and Security
Local Storage
All your calculator data is stored locally in your browser using secure web storage technologies. This means:
- Your data never leaves your device unless you choose to share it
- We cannot access your calculations or personal data
- Your work is automatically saved and persists between sessions
Security Measures
- All data transmission uses HTTPS encryption
- No data is transmitted to our servers without your explicit consent
- Regular security audits and updates
- Secure coding practices and vulnerability testing
Third-Party Services
Google AdSense
We use Google AdSense to display advertisements on our website. Google may use cookies and similar technologies to serve ads based on your visits to our site and other sites on the Internet. You can opt out of personalized advertising by visiting Google Ad Settings.
Analytics
We may use analytics services to understand how our calculator is used. These services collect anonymous usage data to help us improve our application.
Cookies and Tracking
We use minimal cookies and tracking technologies:
- Essential Cookies: Required for basic calculator functionality
- Analytics Cookies: Anonymous usage statistics to improve our service
- Advertising Cookies: Used by Google AdSense for ad personalization
You can disable cookies in your browser settings, but this may affect calculator functionality.
Data Sharing
We do not sell, trade, or otherwise transfer your personal information to third parties, except:
- When required by law or legal process
- To protect our rights and prevent fraud
- With your explicit consent
- Anonymous, aggregated data for analytics purposes
Your Rights
You have the right to:
- Access: View what data we have about you (minimal as we store data locally)
- Delete: Clear your browser data to remove all stored information
- Control: Disable cookies and tracking in your browser
- Portability: Export your calculator data as .8xp files
Children's Privacy
Our calculator is designed for educational use and is safe for children. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.
International Users
Our calculator is available worldwide. If you are accessing our service from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States where our servers are located.
Changes to This 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. We encourage you to review this Privacy Policy periodically for any changes.
Contact Us
If you have any questions about this Privacy Policy or our data practices, please contact us:
- Email: [email protected]
- Website: ti84ce.com
Data Retention
Since all your data is stored locally in your browser:
- Data persists until you clear your browser data
- We do not retain copies of your calculations or programs
- You can export your data at any time
- Data is automatically deleted when you clear browser storage
Compliance
This Privacy Policy complies with:
- General Data Protection Regulation (GDPR)
- California Consumer Privacy Act (CCPA)
- Children's Online Privacy Protection Act (COPPA)
- Other applicable privacy laws and regulations