The Department of Mathematics at the College of Education for Pure Sciences held a training course entitled (Coding of Storage Materials), which was delivered by each of Prof. Hazem Ghadeeb Al-Khaikani and M. Ali Muhammad Husayn Nasrallah, on Monday January 18/2021, and the focus of the course was to provide a general idea of the barcode, the method of coding laboratory devices and the easiest ways to create the code and print labels, and the aim of the course is how to create the table for the inventory of rooms and stores And creating the code for each material and converting the data to the barcode method, which makes it easier to read by the code reader device and indicate the type of material and its original location in an easy and direct way. The session was attended by a number of professors and teachers of the department.