| Standard screen of PDA pocket computer | 
 
 | Login and password. Sales representative must authorize using login and password. | 
 
 | data transfer from the central system into PDA | 
 
 | Browsing of database (example: list of customers to be visited) | 
 
 | Record selection (example: current customer) | 
 
 | making order for the current customer - selecting products | 
 
 | amount and total price | 
 
 | additional keyboard can be visible or hidden | 
 
 | more detailed info about product (price for a customer, number of item stored) | 
 
 | searching a product by given fields or free text searching without narrowing to a field | 
 
 | selected records within the database | 
 
 | narrowing list to selected products | 
 
 | return to full listing of products | 
 
 | sending the order into the central database | 
 
 | logout |