🛡️ Privacy Overview
Our Privacy Promise
We believe privacy is a fundamental right. 84calc is designed with privacy-first principles - we collect minimal data, never sell your information, and give you full control over your privacy.
This Privacy Policy explains how 84calc ("we," "our," or "us") collects, uses, and protects your information when you use our free online TI-84 calculator service at 84calc.com (the "Service").
Key Points:
- No personal data required: You can use our calculator without creating an account
- No calculation tracking: We don't store or monitor your mathematical calculations
- Minimal data collection: We only collect basic technical information to improve our service
- No data selling: We never sell, rent, or trade your personal information
- Your control: You can opt out of any data collection at any time
📊 Information We Collect
Information You Don't Need to Provide
Great news! You can use 84calc completely anonymously. We don't require:
- Registration or account creation
- Personal identification (name, email, phone)
- Payment information (our service is 100% free)
- Social media connections
Technical Information We May Collect
To provide and improve our service, we may automatically collect some technical information:
| Information Type | Purpose | Retention |
|---|---|---|
| IP Address | Security, analytics, geographic insights | 30 days |
| Browser Type | Compatibility optimization | 90 days |
| Device Information | Responsive design optimization | 90 days |
| Usage Statistics | Performance improvement | 1 year |
| Error Logs | Bug fixes and stability | 60 days |
What We DON'T Collect
We never collect your calculations, personal files, or any content you create using our calculator. Your mathematical work stays completely private.
🎯 How We Use Your Information
We use the limited technical information we collect for these specific purposes:
Service Improvement
- Optimizing calculator performance and loading speed
- Fixing bugs and technical issues
- Ensuring compatibility across different devices and browsers
- Understanding which features are most valuable to users
Security & Fraud Prevention
- Protecting against spam and automated abuse
- Preventing denial-of-service attacks
- Ensuring fair usage for all users
Analytics & Insights
- Understanding general usage patterns (without identifying individuals)
- Geographic insights to improve global accessibility
- Performance monitoring and optimization
We will never:
- Use your data for advertising or marketing
- Create personal profiles or track individual behavior
- Sell, rent, or trade your information to third parties
- Use your data for any purpose not listed in this policy
🤝 Information Sharing
Simple answer: We don't sell your data. Period.
We may share limited technical information only in these specific circumstances:
Service Providers
- Web hosting services: To deliver our calculator to your device
- Analytics tools: To understand usage patterns (anonymized data only)
- Security services: To protect against cyber attacks
Legal Requirements
We may disclose information if required by law, such as:
- Response to valid legal requests or court orders
- Protection of our legal rights and safety
- Prevention of fraud or security threats
Your Calculations Stay Private
We never share, store, or have access to your mathematical calculations or any work you do with our calculator. Everything happens locally in your browser.
🔐 Data Security
We implement industry-standard security measures to protect any information we collect:
Technical Safeguards
- HTTPS Encryption: All communication with our servers is encrypted
- Secure Hosting: Our servers are hosted with reputable, security-focused providers
- Regular Updates: We keep all systems updated with the latest security patches
- Access Controls: Strict limits on who can access any collected data
Data Minimization
- We collect only the minimum data necessary to provide our service
- Data is automatically deleted according to our retention schedule
- We regularly review and reduce data collection where possible
Browser Security: Your calculations happen entirely in your browser and never leave your device unless you explicitly share them.
⚖️ Your Privacy Rights
You have significant control over your privacy when using 84calc:
Your Rights Include:
- Access: Know what information we have about you (spoiler: very little!)
- Correction: Request correction of any inaccurate information
- Deletion: Ask us to delete your information
- Portability: Receive your data in a machine-readable format
- Objection: Object to certain types of data processing
- Restriction: Request limits on how we process your data
How to Exercise Your Rights
Contact us at [email protected] with any privacy-related requests. We'll respond within 30 days.
International Users
If you're in the EU (GDPR), California (CCPA), or other regions with specific privacy laws, you have additional rights under those regulations. We comply with all applicable privacy laws.
🍪 Cookies & Tracking
Our Cookie Policy
We use minimal cookies to improve your experience:
| Cookie Type | Purpose | Duration | Required? |
|---|---|---|---|
| Essential | Calculator functionality | Session only | Yes |
| Performance | Site optimization | 30 days | No |
| Analytics | Usage insights | 90 days | No |
Managing Cookies
You can control cookies through your browser settings:
- Block all cookies: May affect calculator functionality
- Block third-party cookies: Recommended for privacy
- Delete existing cookies: Clears stored preferences
No Tracking Across Sites
We don't use cookies or other technologies to track you across other websites. Our cookies only work on 84calc.com.
📝 Policy Updates
We may update this Privacy Policy occasionally to reflect changes in our practices or legal requirements.
How We Handle Changes
- Notice: We'll post the updated policy on this page
- Date: The "Last Updated" date will reflect any changes
- Significant Changes: We'll provide additional notice for major changes
- Your Consent: Continued use implies acceptance of updates
We encourage you to review this policy periodically to stay informed about how we protect your privacy.