There are four categories for publication. "Methodological Category" emphasizes on methodological advancement in scientific works while "Application Category" is devoted to a new issue requiring scientific works. "Review Category" is to provide a comprehensive summary or discussion of an area of scientific research alongside a new perspective or conclusion. The last category is "Rapid Communication Category", which may be a short, peer-reviewed articles focusing on a high-quality, activity-driven, self-contained piece of original work and/or the report of focused activities based on existing research. They should be of significance and broad interest to readers of The FORMATH journal. The suitable category is determined through the review process.