Plagiarism screening will be conducted by Hexagon: Jurnal Ilmu dan Pendidikan Matematika. Editorial Board will not tolerate for any plagiarism. Therefore, Author should check their article through plagiarism checker application. For instance, turnitin application or other applications. If an article is indicated as a plagiary, it will be rejected and will not be reviewed. A maximum of 20 % of similarities is allowed for the submitted papers. Should we find more than 20 % of the similarity index, the article will be returned to the author for correction and re-submission.