"Class 9-10 All book - নবম দশম" is an educational app designed for students in Bangladesh. It offers free access to the textbooks of class 9 and 10, making it a convenient resource for students preparing for their SSC exams. With this app, users can download and read the textbooks offline, even without an internet connection.

The app covers a wide range of subjects, including math, Bangla, Islamic studies, physics, chemistry, English, social science, biology, higher math, and many more. It also provides solutions for math problems and science notes for class 9. The app aims to be a comprehensive guidebook for SSC exam preparation.

In addition to the class 9 and 10 textbooks, the app also offers resources for BCS exam preparation and job search in Bangladesh. It includes information on various job recruitment procedures, interview preparation, and job search tips. Overall, "Class 9-10 All book - নবম দশম" is a valuable educational app for students in Bangladesh, providing easy access to textbooks and exam preparation materials.