Complex sentence: In 1968 he entered the faculty of mechanics and mathematics of BSU and in 1973 graduated from the university.he was an university's research computing center engineer-programmer, junior researcher, the head of the lab and worked as the head of the department.
Split into simpler sentences: In 1968 he entered the faculty of mechanics and mathematics of BSU and in 1973 graduated from the university. The university's research computing center engineer-programmer, junior researcher, the head of the lab and worked as the head of the department.