
Digital Calculator
User Instructions
Multiple Functions:
- Percentage calculation
- Sign toggle (±)
- Keyboard support
- Calculation history display
- All clear (AC) function
- Better error handling
- History tracking
- Keyboard input support
Fixes and Improvements:
- Proper decimal handling
- Correct operator precedence
- Better state management
- Memory of previous calculations
- Fixed zero handling
- Improved display formatting
- Larger display
- History display
How to Use
- Mouse Input:Click buttons normally
- Keyboard Input:Use number keys and operators (+, -, *, /)
- Enter:Equals
- Escape:All Clear
- %:Percentage
- ±:Toggle sign
New Features Explained:
- History Display:Shows previous calculations
- Keyboard Support:Full keyboard input
- Percentage Calculation:Converts current number to percentage
- Sign Toggle:Changes positive/negative values
- All Clear (AC):Fully resets the calculator
- Better Error Handling:Especially for division by zero