Independent Curriculum Class 1 Elementary School Mathematics Student Book to realize programs at the educational unit level. This application was created to make it easier for students to study anywhere and anytime.The copyright of this student book is owned by the Ministry of Education and Culture and can be distributed to all Indonesian students and schools abroad. 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, Culture, Research and Technology. The application helps provide learning resources but does not represent the Ministry of Education, Culture, Research and Technology.The features available in this application are:1. Links between chapters and sub-chapters2. 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 1 Elementary Mathematics material 1 Lets Count up to 102 Addition up to 103 Subtraction up to 104 Recognizing Shapes5 Lets Count up to 206 Addition and Subtraction up to 207 Measuring the Length of Objects8 Getting to Know Diagrams