How to Use
- Click the numeric buttons or use your keyboard to enter numbers.
- Select an operation: Addition (+), Subtraction (-), Multiplication (×), or Division (÷).
- Press '=' (or Enter) to evaluate the arithmetic expression.
- Use 'C' to clear the display, 'CE' to clear the entry, or '+/-' to toggle negative values.
Key Features & Benefits
- Responsive virtual keypad optimized for desktop mouse and mobile touch.
- Standard four-function arithmetic with percentage and sign toggle.
- High-contrast digital readout with clear operation indicator.
- Instant loading with zero ads overlaying the calculator keys.
Frequently Asked Questions
- What operations does this basic calculator support?
- The calculator supports fundamental arithmetic operations: addition, subtraction, multiplication, division, decimal numbers, and sign negation.
- Can I use physical keyboard keys to enter numbers?
- Yes. The calculator accepts standard numpad and number row inputs, arithmetic operators, Enter for equals, and Backspace for deleting the last digit.
- How does the calculator handle division by zero?
- Dividing any number by zero displays an error notification and prevents invalid mathematical operations, allowing you to clear and recalculate.