Lattice Journal : Journal of Mathematics Education and Applied (e-ISSN : 2798-4621 | p-ISSN : 2798-6470) is a journal which is published by Rumah Jurnal Institut Agama Islam Negeri (IAIN) Bukittinggi, West Sumatera Indonesia. The journal is published twice a year in June and December. Lattice Journal : Journal of Mathematics Education and Applied focused is to publish original research (qualitative research, classroom action research, development/design research are top priorities) and/or library analysis on how students learn mathematics and how mathematics is taught in primary, secondary or undergraduate level. The journal also welcomes articles that address common issues in mathematics.