The GAMMA project continues its activities and the next one is Learning, Teaching and Training Activity in Croatia. The meeting will take place from 26 to 30 September in Osijek, Croatia, and will be organised by the GAMMA team members from the Department of Mathematics at the University of Osijek and Elektrotehnička i prometna škola Osijek, as well as team members from the Agency for Education and Teacher Training from Osijek. The event will take place at the Department of Mathematics and Elektrotehnička i prometna škola Osijek.