A cashier program for a supermarket. The features of the program are the speed of searching with a barcode in 20 seconds. Secondly, the program is able to monitor the expiry date of all items and send messages with the remaining time for each item. In addition, it monitors the sales movement and the number of items in the supermarket or store and sends messages with the number of items. In addition, it is able to communicate. In many branches around the world, in addition to that, invoices are recorded on the device. In addition, it is able to calculate net profit and expenses. In addition, through it you can monitor the number of workers’ hours. Each buyer is credited with points according to what you specify, and he can pay via money, a visa, or points. In addition, registration is done. Through it, workers add points and profits and monitor everything. It is also divided into 3 sections: the cashier section, the manager, the storeroom, and the branches.