The TI-84 Plus is a graphing calculator developed by Texas Instruments, widely used in high school and college mathematics and science courses. It's known for its durability, versatility, and various features that aid in visualizing mathematical concepts and performing complex calculations.
Features of the TI-84 Calculator Emulator:
- Graphing Functions:
- Enter functions with Y= button
- Supports multiple functions plotted simultaneously
- Different colors for each function
- Zoom and window settings
- Scientific Calculator:
- Basic arithmetic operations
- Parentheses for complex expressions
- Trigonometric functions (sin, cos, tan)
- Logarithmic functions (log, ln)
- Exponents and roots
- TI-84 Specific Features:
- 2nd function key (placeholder for future expansion)
- ALPHA mode (placeholder)
- GRAPH, TRACE, and ZOOM buttons
- WINDOW settings display
- User Interface:
- Green LCD screen like the real TI-84
- Color-coded buttons matching the original
- Responsive design that works on mobile
How to Use:
- Basic Calculations:
- Type expressions like "3+5×2"
- Press ENTER to calculate
- Graphing Functions:
- Press Y= then enter a function like "x^2"
- Press GRAPH to plot it
- Enter multiple functions to plot several graphs
- Window Settings:
- Press WINDOW to view current graph bounds
- (Future enhancement: allow editing these values)
- Navigation:
- Use DEL to backspace
- ON clears the screen
This implementation captures the look and feel of a TI-84 while providing core graphing functionality. The calculator can be extended with more features like table generation, statistical functions, and proper 2nd function handling.