The series according to training years corresponds to the framework curriculum of 2017 and promotes professional action competence. The information manual in its 6th edition of 2022 covers learning fields 11 to 14 according to the 2017 curriculum. The focus of consideration is on customer orientation. There is an update of the free software INTWASYS with continuous updates, particularly regarding payroll and statistical data. Additionally, the incorporation of time-proportional depreciation and the integration of payment methods such as giropay/paydirekt are included. The illustrations from the inventory management system INTWASYS have been adapted to the current program version. Furthermore, a BiBox with digital supplementary materials is provided.

The software INTWASYS with an integrated online shop is an educational inventory management system that includes basic functions for managing the inventory of a retail business. The online shop is data-wise integrated into the inventory management system and simulates a highly practical internet presence without requiring direct access to the internet. The program is characterized by its easy installation and intuitive handling. The attached chapter on E-Commerce provides a detailed description of the software's functions.