More schools experimenting with digital textbooks - washingtonpost.com

AGOURA HILLS, CALIF. -- The dread of high school algebra is lost here amid the blue glow of computer screens and the clickety-clack of keyboards.

A fanfare plays from a speaker as a student passes a chapter test. Nearby, a classmate watches a video lecture on ratios. Another works out an equation in her notebook before clicking on a multiple-choice answer on her screen...