A simple but powerful PHP script to manage your Billing System With multiple customers and Products. Our Point of sale (POS) system is designed to help Manage Inventory Items, manage Product Quantity, Generate Invoices(Bills) , Status of Customer Payment ,Currency Changes, Added Multiple Taxes and Discount to Customers . This Point of sale (POS) | invoice management system provides an integrated set of features to help you manage your Sales. Manage Inventory Items Generate Invoice Bills Set Discount Multiple Tax Custom Layout for Invoice Currency Manage Customer Manage product Quantity Add Products Status of Customer Payment Add Category