FX-CG50 Casio | Distributors, Price Comparison, and Datasheets | Octopart
Update: It really does go without saying, the FX-CG50 is a beast of a calculator. But my trusty FX-991EX is still good for a lot of things. They are both good calculators. :
FX-CG50 Manager | Software and presentation | School and graphic calculators | Products | CASIO
fx-CG Manager PLUS Subscription | PRODUCTS | CASIO