Wikipedia: Casio graphic calculators
User-edited article about Casio graphing calculators, including 1st and 2nd generations, programming languages, manuals and references.
Casio Education: PRIZM
See Casio's first high-res color screen graphing calculator, PRIZM fx-CG10. Includes product features, video, and educational resources.
Casio Graphing Calculators
Official product page for Casio graphing calculators, with product descriptions, special features, technical specifications, accessories and prices.