The 2nd Academic Meeting of Teachers of the DIAKROTIMA Group for the 2018–2019 school year was successfully concluded. The meeting was coordinated by the Group’s director—mathematician Mr. Theodoros Kalaitzidis. The meeting was attended by the academic coordinators of all the Group’s specializations and the authors of PATAKI publications. Mr. Athanasios Sdralis, a mathematician, particularly honored us with his presence and presented exercises from his book published by PATAKI Publications. See the attached photos.