Sd Yadav Math Book in Hindi is a free Android application offered by Lakshya Mathematics Teaching Centre. The app is designed to help students preparing for various competitive exams, including Bank PO, SBI-PO, IBPS, RBI, MBA, MAT, CMAT, GMAT, CAT, IIFT, IGNOU, SSC Combined Preliminary Exam, Hotel Management, Sub-Inspectors of Police, CBI, CPO Exams, UPSC-CSAT, SCRA and other State Services Exams, Railway Recruitment Board Exams, and Campus Recruitment Tests.

The app offers a comprehensive learning resource for math enthusiasts in Hindi, making it easier for students to understand complex mathematical concepts. The app features a wide range of topics, including algebra, geometry, trigonometry, arithmetic, and statistics, among others. The content is arranged in a systematic and organized manner, making it easier for students to navigate and learn at their own pace. The app is an excellent resource for students who want to enhance their math skills and improve their chances of success in competitive exams.