Institute of Physics Belgrade and its Scientific Computing Laboratory were host to a high-level scientific delegation from Russian Federation, headed by Alexey N. Sissakian, Director-General of Joint Institute for Nuclear Research (JINR) in Dubna. The guest were given a brief introduction to SCL, its members, projects and SCL's high performance computing infrastructure. During the visit Dusan Vudragovic demonstrated the use of Hypatia tool developed by SCL in the framework of Learning with ATLAS at CERN project.