You should have at-least one formula book for every science subject to get good grades in your board exam and also to do well in competitive exams such as JEE and UPSC. These formula books will help ...

Master 20 essential maths formulas in just 24 hours with a smart memory technique for fast learning and long-term recall.

Mathematics is one of the difficult but necessary subjects and requires a lot of practice. In subjects like mathematics, it is important to be confident in the final answer or value of the question.