Casio fx-CG50 - Video 6 Werken met de solver - YouTube
Solving Equations On A Casio fx-CG50 in Run-Matrix - YouTube
Calculate and solve equations with complex numbers using the fx CG50 - YouTube
Got ahold of a Casio fx-991ex and CG-50 to match my Classpad II. I'm really impressed with them but there is something about the fx-991ex... (see comments) : r/calculators