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Getting Started

Basic usage and setup questions

⚙️

Features & Functions

Calculator capabilities and tools

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Troubleshooting

Common issues and solutions

Is the TI-84 calculator online completely free?

Yes, absolutely! Our TI-84 Plus CE emulator is 100% free with no hidden costs whatsoever:

  • No registration or sign-up required
  • No advertisements or pop-ups
  • No time limits or usage restrictions
  • No premium features locked behind paywalls
  • No data collection or tracking

We believe everyone deserves access to quality educational tools, which is why 84calc will always be free.

Does it work exactly like a real TI-84 Plus CE?

Our emulator replicates the TI-84 Plus CE with 99% accuracy. Here's what works:

✓ Fully Supported:
  • All mathematical functions
  • Graphing capabilities
  • TI-BASIC programming
  • Statistical analysis
  • Matrix operations
  • Apps and programs

The only minor differences are cosmetic - our version may load slightly faster and has enhanced screen clarity.

Can I use it on my phone or tablet?

Yes! Our TI-84 calculator is fully optimized for mobile devices:

  • Touch-friendly: Tap buttons just like a real calculator
  • Responsive design: Automatically adjusts to your screen size
  • Portrait & landscape: Works in both orientations
  • No app needed: Works directly in your mobile browser
  • Offline capable: Continue calculating even with poor internet
💡 Pro tip: Add 84calc to your home screen for quick access - it works just like a native app!
Can I save my work and calculations?

Yes, you have several options for saving your work:

🔄 Auto-Save (Recommended)
Your calculator state is automatically saved in your browser. When you return, everything will be exactly as you left it.
💾 Export Data
Use the calculator's built-in export functions to save programs, lists, and calculations to files.
📸 Screenshots
Take screenshots of graphs and calculations for reports and assignments.
Can I use this during exams and standardized tests?

This depends on your specific institution and test policies. Here's what you need to know:

⚠️ Always Check First
Contact your teacher, professor, or testing center before using any online calculator during exams.

Common Policies:

  • SAT/ACT: Physical calculators only (online not allowed)
  • AP Exams: Varies by subject and year
  • College courses: Often allowed for homework, varies for exams
  • Online courses: Usually permitted
How do I install and run programs on the calculator?

You can run TI-BASIC programs and some apps on our emulator:

📝 Writing Programs:

  1. Press [PRGM] on the calculator
  2. Select "NEW" to create a program
  3. Name your program and start coding in TI-BASIC
  4. Press [2nd][MODE] to quit the editor
  5. Run with [PRGM] → "EXEC" → select your program
The calculator is loading slowly or not working. What should I do?

Here are the most effective troubleshooting steps:

🔧 Quick Fixes:

  1. Refresh the page: Press Ctrl+F5 (or Cmd+R on Mac)
  2. Clear browser cache: Go to Settings → Privacy → Clear browsing data
  3. Check internet connection: Ensure you have a stable connection
  4. Disable browser extensions: Ad blockers can sometimes interfere
  5. Try a different browser: Chrome, Firefox, Safari, or Edge
✓ Still Having Issues?
Email us at contact@84calc.com with your browser type and the specific problem you're experiencing.
What's the difference between this and other online calculators?

84calc stands out from generic online calculators in several important ways:

🚀 Our Advantages:
  • Exact TI-84 Plus CE replica
  • Full programming capabilities
  • Advanced graphing features
  • No ads or distractions
  • Works offline once loaded
  • Mobile-optimized interface
  • Free forever guarantee
📊 vs. Basic Calculators:
  • Familiar TI-84 layout
  • Compatible with textbooks
  • Supports TI-BASIC programs
  • Advanced statistical functions
  • Matrix and vector operations
  • Parametric and polar graphing
  • Educational game support

Still Have Questions?

Our team is here to help! Get personalized support for any calculator-related questions.

📧 Contact Support