The Complete Idiot's Guide to Precalculus
W. Michael Kelley is an award-winning teacher and the author ofThe Complete Idiot’s Guide to CalculusandThe Complete Idiot’s Guide to Algebra. The Maryland Council of Teachers of Mathematics recognized him as an Outstanding High School Mathematics Teacher and his students have named him “Most Popular Teacher” for four years. After he took over the Advanced Placement Calculus program, enrollment increased by 350% and the number of students receiving college credit by passing the Calculus AP test increased by 1,200%.