A desktop Billing Software GUI application built using Python Tkinter.
This project allows users to simulate billing, generate totals, Discount, GST and manage a simple invoice system.
- Add items and quantities
- Calculate total bill in real-time
- Clear and reset functionality
- Apply Discount (%) to the subtotal
- Apply GST (%) after discount
- Real-time calculation of final payable amount
- Clean display of subtotal, discount, GST, and final total
- 🐍 Python – Programming language
- 🎨 Tkinter – GUI library for building desktop interfaces