Jim H

I teach mathematics (and sometimes writing and talking and philosophy) at a small college in Pennsylvania.

16,351,787 students helped

Level 28 in Calculus Level 19 in Algebra Level 17 in Trigonometry Level 15 in Precalculus Level 10 in Socratic Meta Level 9 in Prealgebra Level 6 in Geometry Level 6 in English Grammar Level 4 in Physics Level 3 in Chemistry Level 3 in Statistics Level 1 in U.S. History Level 1 in Organic Chemistry I Level 1 in Biology