🧮 Mega-Calculator

A simple GUI-based calculator built with Python and Tkinter.
Packaged into a portable executable (.exe) using PyInstaller, so it runs on Windows without requiring Python or Tkinter installed.

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✨ Features

• Clean and minimal dark UI
• Supports basic operations: + - × ÷ .
• Clear button (C) and backspace (⌫)
• Error handling for invalid expressions
• Portable one-file executable (no installation required)

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📂 Project Structure

Mega-Calculator/
│   calculator.py      # main source code
│   README.md
│   LICENSE
│   CREDITS.md
│   .gitignore
│
└── assets/            # icons and resources
Calculator.ico
Calculator.png

⚠️ The dist/ folder and .exe file are not included in the repo.
You can always download the ready-to-use executable from the Releases.

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🚀 Run Locally (from source)

1. Install Python (3.9+ recommended)
2. Clone this repository:

   git clone https://github.com/YourUser/Mega-Calculator.git
   cd Mega-Calculator

3. Run the app:

   ```bash
   python calculator.py

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💾 Download

The portable Windows executable is available in the Releases section: 👉 Download Mega-Calculator.exe

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🔨 Build Instructions (PyInstaller)

If you want to build your own .exe:

pip install pyinstaller
pyinstaller --onefile --windowed --name Mega-Calculator ^
  --icon "assets\Calculator.ico" ^
  --add-data "assets\Calculator.ico;assets" ^
  --add-data "assets\Calculator.png;assets" ^
  calculator.py

The executable will be generated inside the dist/ folder.

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📜 License

This project is licensed under the MIT License. Feel free to use, modify, and distribute.