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. :
Eddie's Math and Calculator Blog: Casio fx-CG50 Review (updated 3/2/2018)
Casio fx-CG50 PRIZM calculator review - The Gadgeteer
Casio fx CG50 Speed test - YouTube
Casio FX-CG50 Color Graphing Calculator, Natural Textbook Display - Walmart.com
Casio fx-CG50 vs TI-84 Plus CE Review and Comparison - YouTube
My Savvy Review Of The CASIO PRIZM FX-CG50 Color Graphing Calculator @Casio_USA -
Casio "prism" FX cg50 graphing calculator. What's the difference between these two (UK non-prizm on left and American prizm on the right)? : r/calculators