Through years of tutoring during my college days, and years of being a coach and mentor during my professional career, I learned that understanding the basic concept is much more important than just knowing how to solve a particular problem. Once you have a grasp of the basic concept and gain the insight, you not only improve your scores and grades, you get to appreciate the beauty of math and science and remember the concepts for life. You become a curious person and a life-long learner. I w...