A satellite positioning system that receives a radio wave from an artificial satellite and specifies a position on the ground,GPSIf you are using it, you may find that sometimes errors occur. Also, ...

Railway Recruitment Board exams requires a strong foundation in Mathematics. Both RRB Group D and RRB NTPC exams test candidates on topics like Arithmetic, Algebra, Mensuration, and Trigonometry.

This book builds on current and emerging research in distance learning, e-learning and blended learning. Specifically, it tests the boundaries of what is known by examining and discussing recent ...