David Krantz is a senior in high school who excels in math or science. He will tutor your child in precal, calculus or physics to strengthen their skills for class, Sat II, or AP exams. If your child is hesitant to seek help from another adult, David may be just the person you've been looking for. David will meet with your child for three (3) one hour sessions be arranged at a mutually convenient time prior to June 8th, 2007.