"Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam" journal publishes articles twice a year in June and December. This journal was firstly published in print version since June 2004 by Faculty of Mathematics and Natural Sciences, Universitas PGRI Palembang with print ISSN 1829-586X. However, archives stored online in this OJS was starting from Volume 6 No. 1 June 2009. Since Volume 14 No. 2 December 2017, this journal has registered with online ISSN 2581-0170 and Sainmatika Journal has been also indexed in SINTA (Science and Technology Index) by Ministry of Higher Education of Indonesia in S3 category. This journal also experienced several times in change of editorial board and reviewers. Starting from Volume 15 No 1 June 2018, the journal template has a slight change such as the addition of journal logo and URL at the first page header of each article and the license logo at the footer. Since volume 18 No. 1, Sainmatika has published 13 articles on each issue.