Institutes for Continuing Education are different from Post-graduate Education. These courses are mainly for leading managers, lawyers, economists, teaches, doctors, computer programmers and other specialists who need to refresh their knowledge, learn new technologies or methods in the rapidly changing situation. The classes and seminars are supervised by highly professional lecturers, usually invited from the best institutions of St. Petersburg, and at the end the graduates get a Certificate, stating that they have completed this course. The courses can be as short as two weeks.