Free TI84 graphing calculator emulator with full functionality. Graph functions, solve equations, perform statistics & matrix operations - no download required. Works perfectly on all devices including mobile.
⚡ 100% Free📱 Mobile Optimized📈 Full Graphing🔢 Scientific Mode📊 Statistics Tools🧮 Matrix Operations
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Dr. Sarah Chen, MIT PhD
Mathematical Sciences Expert | 15+ Years Teaching Experience
Expert Verification: "This TI84 emulator replicates the full functionality of the Texas Instruments TI-84 Plus graphing calculator. It's been validated for mathematical accuracy and is suitable for educational purposes, exam preparation, and professional use. The graphing engine uses the same mathematical algorithms as physical calculators."
TI84 Emulator v1.0Basic
Calculator Mode
Graph Functions
Calculation History
Graphing Calculator
Complete TI84 Calculator Features
🧮 Scientific Calculator Functions
Our TI84 emulator includes all standard scientific calculator functions:
Professionals: Engineering calculations, data analysis
Exam Preparation: SAT, ACT, AP Exams, College Entrance
💡 Pro Tip: Mastering the TI84
1. Use parentheses liberally to ensure correct order of operations.
2. Store values in variables (use STO→ button) for complex calculations.
3. Learn the catalog (CATALOG button) for accessing all functions.
4. Use table feature to quickly evaluate functions at multiple points.
5. Save your work regularly using the Save State feature.
Frequently Asked Questions
Is this TI84 calculator really free?
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Yes, our TI84 online calculator is completely free with no hidden costs, registration, or downloads required. It works directly in your web browser on any device. We believe educational tools should be accessible to everyone.
Does this have all the features of a real TI84?
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Our emulator includes all essential TI84 features: scientific calculations, graphing functions, statistics, matrix operations, equation solving, and table generation. It replicates the TI84 experience with additional modern features like save/load, export, and mobile optimization.
Can I use this for exams or tests?
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While our calculator provides identical functionality, always check your specific exam regulations. Many standardized tests now allow online calculators, but verify with your instructor or testing center first. We recommend using our calculator for practice and learning.
How do I save my calculations?
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Click the 'Save State' button to download your current calculations and graphs as a JSON file. Use 'Load State' to upload and continue where you left off. Your calculations are saved locally on your device for privacy and convenience.
Can I plot multiple functions?
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Yes, you can plot up to 10 different functions simultaneously. Each function can have its own color and style for easy differentiation on the graph. Use the 'Add Function' button in the sidebar to add more functions to your graph.
Is there a mobile app version?
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Our calculator is fully responsive and works perfectly on mobile devices. You can add it to your home screen like an app: on iOS, use the 'Share' button and 'Add to Home Screen'; on Android, use the menu and 'Add to Home Screen'. No app store download required!
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From basic arithmetic to advanced calculus, our TI84 calculator provides everything you need for mathematical success. Practice, learn, and excel with professional-grade tools—completely free.