🧮 Calculator Web App

A simple and responsive calculator built using HTML, CSS, and JavaScript. This project performs basic arithmetic operations and is designed to help beginners understand DOM manipulation and event handling in JavaScript.

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🚀 Features

• ➕ Addition
• ➖ Subtraction
• ✖️ Multiplication
• ➗ Division
• 🟰 Real-time calculation using button inputs
• 🧹 Clear and reset functionality
• 📱 User-friendly interface

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🛠️ Technologies Used

• HTML – Structure
• CSS – Styling and layout
• JavaScript – Logic and functionality

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📂 Project Structure

calculator/
│
├── index.html      # Main HTML file
├── style.css       # Styling
├── script.js       # Calculator logic
└── README.md       # Project documentation

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⚙️ How It Works

• Button clicks are captured using event listeners
• User input is stored as a string
• The eval() function is used to evaluate the expression
• The result is displayed in the input box

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▶️ How to Run the Project

1. Clone the repository

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

2. Open index.html in your browser

3. Start calculating 🎉

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📌 Future Improvements

• Add keyboard support
• Improve UI/UX
• Replace eval() with a safer custom logic
• Add scientific calculator features

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🤝 Contributing

Contributions are welcome! Feel free to fork the repository and submit a pull request.

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📜 License

This project is open-source and available under the MIT License.