🧮 Java Calculator App

Java Calculator App is a simple desktop calculator built with Java Swing. It provides a clean graphical interface for performing basic arithmetic — addition, subtraction, multiplication, and division — with a live expression display and safe division-by-zero handling.

📚 Table of Contents

• Features
• Installation & Usage
• Project Structure
• Technologies Used
• License
• Contributing
• Connect with Me

✨ Features

✅ User-Friendly Interface – A clean 4x4 button grid with a live expression display. ✅ Basic Arithmetic – Supports +, -, *, and /. ✅ Chained Operations – Chain multiple operations in a row (e.g. 7 + 5 - 2). ✅ Clear Function (C) – Resets the display and all stored values. ✅ Result Calculation (=) – Computes the entered expression. ✅ Division-by-Zero Handling – Returns NaN instead of crashing.

⚙️ Installation & Usage

1️⃣ Clone the repository

git clone https://github.com/Iqbolshoh/java-calculator-app.git
cd java-calculator-app

2️⃣ Compile the program

javac src/Calculator.java

3️⃣ Run the application

java -cp src Calculator

Or simply open the project in IntelliJ IDEA, Eclipse, or NetBeans and run Calculator.java directly.

📂 Project Structure

java-calculator-app/
├── src/
│   └── Calculator.java   # Swing UI + arithmetic logic
├── res/
│   └── banner.png        # Preview image
├── LICENSE
└── README.md

🖥 Technologies Used

📜 License

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

🤝 Contributing

🎯 Contributions are welcome! If you have suggestions or want to enhance the project, feel free to fork the repository and submit a pull request.

📬 Connect with Me

💬 I love meeting new people and discussing tech, business, and creative ideas. Let's connect! You can reach me on these platforms: