Eksponen (E-ISSN:2657-1552 and E-ISSN: 2085-966X) has been published since 2009 by the Department of Mathematics Education in collaboration with LPPM, Muhammadiyah University, Kotabumi. The journal has regularly published two times a year in April and September. This journal publishes original papers researching that focus on education and mathematic. The editorial team has the right to edit every submitted manuscript without changing the substance of the article. Posts that are not published can be requested back.