- Basic arithmetic (+, -, ×, ÷)
- Multi-line display with preview
- Persistent history (JSON)
- Keyboard support
- Error handling via toasts
- Scientific Mode
- Trigonometric functions (sin, cos, tan)
- Logarithms and exponents
- Constants (π, e)
- Programmer Mode
- Binary, Octal, Hexadecimal support
- Bitwise operations (AND, OR, XOR, NOT)
- Unit Converter
- Length, Weight, Temperature, Currency
- Plugin System
- Allow third-party modules to register new operations
- Variables Support
- Ability to store results in variables (x, y, z)
- Graphing calculator capabilities
- Matrix arithmetic