Agee Software's Textbook Inventory application, TBInv is a Microsoft Access database to account for textbooks in the school district. There are two levels of user: Super and User.

At district, a Super user can do the following:

At each school, Users can do the following:

In order to optimize performance for the district Super user, the back end (data tables) database is normally located on the Super user's PC. Each school user has a copy of the front end (queries, forms and reports) database and an MDW (security) file that lets him or her connect to the shared back end on the district Super user's PC.

The district Super user may also have an import database to import student and schedule information from district.