Casio FX-CG50 graphing Calculator with high-Resolution Colour Display for Sale in Los Angeles, CA - OfferUp
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. :
Casio FX-CG50 Graphing Calculator - Black | eBay
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