GEOMATH is journal that is published twice a year, every May and December. Geomath journal publishes research issues on mathematics education. Author can be lecturer, teacher, researcher, and even student. Our publication could be research on teaching method, experiment of teaching aid or media, even effectiveness of lesson plan and ways to incorporate such concerns into instructional programs, as well as reviews of books and classroom technology products, the latest research results in mathematics learning and evaluation. We accept any manuscript derived from research of mathematics education. We will not process manuscript from research approach of school management. All articles sent to this journal must have never been published or sent to other journals.