Welcome to the On-Screen Calculator project! This project is an implementation of a calculator using JavaScript, HTML, and CSS. It allows users to perform basic arithmetic operations conveniently on a web page.

• Basic Operations: Addition, Subtraction, Multiplication, and Division.
• Decimal Point: Users can input decimal numbers.
• Backspace: Undo the last input.
• Keyboard Support: Full support for keyboard input (numbers, operators, decimal point, backspace, clear, and equals).
• Clear Button: Resets the calculator to its initial state.
• Error Handling: Displays error messages for division by zero.
• Responsive Design: Simple and clean layout designed for easy use on different devices.

To run the calculator locally on your machine, follow these steps:

1. Clone the repository:

   git clone https://github.com/your-username/on-screen-calculator.git
   cd on-screen-calculator

2. Open index.html in your web browser.

3. Calculator Interface:

   • Use mouse clicks or keyboard inputs to interact with the calculator.
   • Click on number buttons to input numbers.
   • Click on operator buttons (+, -, *, /) to select an operation.
   • Use the decimal button (.) to input decimal points.
   • Click on the equals button (=) or press Enter to compute the result.
   • Press the clear button (Clear) to reset the calculator.

4. Keyboard Shortcuts:

   • Use numeric keys (0-9) for numbers.
   • Use operator keys (+, -, *, /) for operations.
   • Use the decimal key (.) for decimal points.
   • Use the Enter key for equals (=).
   • Use the Escape key for clear (Clear).
   • Use the Backspace key for undo (Backspace).

5. Enjoy calculating!

You can view a live demo of the On-Screen Calculator here.

Contributions are welcome! If you have any suggestions, enhancements, or bug fixes, please open an issue or create a pull request.

This project is licensed under the MIT License - see the LICENSE file for details.