This book is a special work. It is neither a textbook, nor a collection of exercises, but a guide and summary book. What does it mean to guide? To guide is to show the right way and give help on the way. Mathematics is a very beautiful science but, there is in it a beauty hidden for students, due to wrongly put together school programs, overloaded with irrelevant and non-pragmatic issues. The book you are reading shows you an elegant way to the math...