...Precalculus, including Trigonometry, has been a subject that I have loved tutoring for over 20 years! Trigonometry is one of my favorite subjects, and I have been tutoring Trig for over 20 years. I love tutoring SAT math because it requires not just mathematical knowledge, but application of that knowledge and logic. (read more)
...I do not want to come off as though I feel superior. I believe the it takes a great deal of skill to create a decent cell phone app. It just that the rules are very different. (read more)