Calculator Help
Operations
- + Addition
- - Subtraction
- × Multiplication
- ÷ Division
- % Modulo (remainder after division)
- . Decimal point
Keyboard Shortcuts
- 0-9 Number input
- + - * / % Operators
- . Decimal point
- Enter or = Calculate result
- Backspace Delete last character
- Escape All Clear (reset)
Buttons
- AC All Clear - resets calculator
- C Clear - clears current input
- ← Backspace - deletes last character
- = Calculate - evaluates expression
Special Cases
- Division by zero shows "Undefined"
- Modulo by zero shows "Undefined"
- After calculation, operators continue with result
- After calculation, numbers start fresh input