Establishment of the Faculty 1987 OUSL ordinance 446-19 (1987) 1989 University Act – Establishing OUSL (amendment) 1990 OUSL ordinance (1990 01 05) 1996 Establishing Faculty of Natural Science 591-18 2010 Establishing department of mathematics and computer science 1655-2 2015 1918-8 leaving Health Sciences (2015 June 09) 2020 2157-9 Departments without health sciences (2020 01 07) 2022 Establishing department of computer science 2022-14 (2017) Last Updated on 1 year