Having a problem with CASIO fx-CG50 where every time without fail, it gives me this prompt when attempting to graph anything containing a variable. : r/calculators
Casio graphic calculators - Wikiwand
How to Download Games Onto a Graphing Calculator (with Pictures)
How to get games on Virtually any casio graphing calculator! - YouTube
Casio graphic calculators - Wikiwand
Casio fx-9860G games - YouTube
Casio FX-9860 Graphing Calculator for sale online | eBay
Casio FX 9860g AU Scientific Graphics Calculator USB for sale online | eBay