MATEMATIKAis an Android-based electronic mathematics book developed by Akmaljon Badalov. This free app offers a comprehensive guide for students in grades 5 to 11 on Mathematics, Algebra, Geometry, and other related subjects. The app is designed to provide an interactive and engaging learning experience to its users.

The app contains various chapters, each with detailed explanations, examples, and practice exercises. The chapters cover a wide range of topics, including arithmetic operations, fractions, decimals, percentages, algebraic expressions, equations, geometric shapes, and more. The app also includes quizzes and tests to help students evaluate their understanding of the concepts covered in each chapter.

Overall, MATEMATIKAis an excellent app for students who want to improve their mathematics skills. The app is easy to use, and its interactive features make learning mathematics fun and engaging. However, the app may require an internet connection to access some of its features, which may be a downside for some users.