The main activity of the Computational Physics Group (CPG) has been a Series European Conferences in Computational Physics, since 1972 to the late eighties, together with the organisation of summer schools.
In 1990 the CPG had more than 400 members. The tradition of an annual Conferences on Computational Physics (CCP) was established, in a joint initiative, by EPS and the American Physical Society (APS), in alternate sites in USA and in Europe. Since 1989, the conference has been sponsored by the IUPAP, with the conference sites moving also to other continents.