This document describes several applications for a cash register system across multiple industries: - Catering, cafes, restaurants, tourism, and reception desks can utilize applications to manage customer invoices and tables or beds. - Industries like dry cleaning, stores, warehouses, vehicle and appliance repair shops can track customer orders, item stocks, and repairs. - Specialized applications are available for tyre repair shops to manage tyre inventory and EU labels, and for graveyards to register deceased persons and plot locations. - Administrative functions include a general registry book for official documents.