The sd yadav math book in hindi is an Android application developed by Lakshya Mathematics Teaching Centre. It is a free education and reference app that provides a comprehensive collection of mathematical concepts in Hindi. This app is useful for students preparing for various competitive exams such as SSC, Bank PO/Clerk, Railway, LIC, GIC, CSAT, CPF, MCA, MBA, and more.

The app covers a wide range of mathematical topics and provides detailed explanations with numerous examples. It is an excellent resource for students who want to improve their mathematical skills and gain a better understanding of the subject. Additionally, the app is compatible with Android 13.0 and above.

Overall, the sd yadav math book in hindi is a helpful educational app for students preparing for competitive exams who want to improve their mathematical skills. The app is user-friendly, easy to navigate, and provides valuable information in Hindi.