Aplikasi Point Of Sale Menggunakan Metode Extreme Programming Pada Usaha Phi Phi Thai

In the digital era, the utilization of information technology is crucial for enhancing business efficiency, including sales transaction management. This study aims to design and develop a web-based Point of Sale (POS) application using the Extreme Programming (XP) method for Phi Phi Thai business. The XP method was chosen due to its flexibility in adaptive software development. This application is designed to assist in transaction recording, inventory management, and real-time financial reporting. System testing was conducted using the Black Box Testing method to ensure that the application's functionalities met expectations. The results show that this POS application improves transaction efficiency, reduces recording errors, and facilitates sales data analysis for business owners.