jim p.

Old guy. BS in computer science in 1979 (programming projects were all on punch cards!) Former Navy Jet Pilot.

These kids today with their Ruby on Rails...


384,245 students helped

Level 11 in Algebra Level 7 in Calculus Level 6 in Trigonometry Level 6 in Geometry Level 6 in Physics Level 5 in Chemistry Level 5 in Precalculus Level 4 in World History Level 3 in Astronomy Level 2 in U.S. History Level 2 in Statistics Level 1 in Socratic Meta Level 1 in Earth Science Level 1 in Prealgebra Level 1 in Astrophysics Level 1 in Anatomy & Physiology Level 1 in Organic Chemistry I Level 1 in English Grammar Level 1 in Biology