It is a great torture to study mathematics only for the sake of passing examinations. Mathematics is intellectually enjoyable and fulfilling if properly taught and learned. It offers opportunities for creativity and is indispensably useful in life. “I advise my students to listen carefully the moment they decide to take no more mathematics courses. They might be able to hear the sound of closing doors.” (James Caballero) This book will help you in mastering the three secrets of success in learning mathematics: understanding, memorization and practice. But it is never intended to be a substitute for mental efforts on your part. Mathematics is not a subject for people who are afraid to think.