កណគណតវទយ ថនកទ៤ is an educational app designed to help Grade 4 students with their math and science studies. Developed by LENGPANHA, this app is available for Android devices and is completely free to use.

The app offers a comprehensive collection of textbooks and study materials that cover a wide range of subjects. Students can easily access and download these materials for free, making it convenient for them to study and review the lessons at any time.

With កណគណតវទយ ថនកទ៤, students can find lessons organized by topic, difficulty level, and aligned with the new curriculum. The app also provides interactive quizzes and practice exercises to help students reinforce their understanding of the concepts learned.

Teachers and parents can also benefit from this app as it provides them with a platform to monitor their students' progress and provide additional support when needed. The app aims to enhance the learning experience by providing a user-friendly interface and engaging study materials.

Overall, កណគណតវទយ ថនកទ៤ is a valuable educational tool for Grade 4 students, offering a wide range of study materials and interactive features to support their learning journey.