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...

184,800 students helped
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Level 11 in Algebra Level 7 in Calculus Level 6 in Geometry Level 6 in Physics Level 6 in Trigonometry Level 5 in Chemistry Level 5 in Precalculus Level 4 in World History Level 3 in Astronomy Level 2 in Statistics Level 2 in U.S. History Level 1 in English Grammar Level 1 in Earth Science Level 1 in Socratic Meta Level 1 in Organic Chemistry I Level 1 in Anatomy & Physiology Level 1 in Biology Level 1 in Prealgebra Level 1 in Astrophysics