🧮 Java Swing Calculator

A lightweight, portable desktop calculator built using Java and Swing.
This project is an early alpha pre-release, focused on clean UI design, keyboard input handling, and robust error management.

⚠️ Status: v0.1.0-alpha (Work in Progress)

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📸 Preview

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🚀 Features (Current)

• Basic arithmetic operations (Addition, Subtraction, Multiplication, Division)
• Keyboard input support for faster interaction
• Proper error handling (divide by zero, invalid operations)
• Clean and consistent Java Swing GUI
• Fully portable Windows build (no installation required)

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📥 How to Run

1. Download the CalculatorApp.zip from the Assets section.
2. Right-click the ZIP file and select Extract All.
3. Open the extracted folder.
4. Double-click Calculator.exe to launch the application.

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🛠️ Tech Stack

• Language: Java 17+
• GUI Framework: Java Swing
• Build Tool: Maven
• Packaging: jpackage

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🔮 Planned Features

• Calculation history panel
• Light/Dark theme toggle
• Scientific mode (sin, cos, √)

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⚠️ Known Limitations

• Calculation history not implemented yet
• UI is still being optimized
• Scientific functions are not available in this version

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📌 Notes

This project is being developed incrementally to improve code structure, usability, and feature depth.
Feedback and suggestions are welcome.