Electronic School Book (BSE) Mathematics for SMA / SMK / MA / MAK Class XI Curriculum 2013. This application was created to make it easier for students to learn mathematics anywhere and anytime. The 2013 BSE curriculum is a free book whose copyright is owned by the Ministry of Education and Culture (Kemendikbud) which can be distributed to the public for free. The material in the application is sourced from https://buku.kemdikbud.go.id. This application is not an application developed by the Ministry of Education and Culture. The application helps provide learning resources but does not represent the Ministry of Education and Culture. The features available in this application are: 1. Links between chapters and sub-chapters 2. Responsive display that can be enlarged. 3. Page Search. 4. Minimalist landscape display. 5. Zoom In and Zoom Out. The material discussed is based on Class XI High School mathematics material, 2013 Curriculum, 2017 revised edition Chapter I Mathematical Induction Chapter II Linear Programming Chapter III Matrix Chapter IV Transformation Chapter V March Chapter VI Function Limits Chapter VII Derivatives Chapter VIII Integrals