Buku Matematika Kelas 8 Semest is an Android app developed by Pustaka Biru that serves as an electronic school book for Mathematics Semester 1 for students in the 8th grade, revised inThis app is designed to help students understand the concepts of Mathematics in a better way. It is a free app that falls under the category of Education and Reference.

The app is based on the material and competencies that are adjusted to international standards. It covers topics like numbers, sets, algebra, comparison, geometry, and data representation. The app maintains a balance between numerical mathematics, pattern mathematics, and building concepts. The app also focuses on developing problem-solving skills through procedural knowledge and thinking skills such as modeling, proving, and estimating/approaching.