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
fx-CG50 PRIZM® Color Grapher | Graphing Calculator | CASIO
Casio FX-CG50 | Casio FX-CG50 calculator Pocket Graphing Black
CASIO PRIZM FX-CG50 Color Graphing Calculator : Amazon.com.tr
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. :