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
Casio FX-CG50 Graphing Calculator 3D Color Display Python – Brand New – I.E.T. INDUSTRIAL ANTONIO PRIETO – SINCELEJO, SUCRE
Casio FX-CG50 3D Graph Catalogue Function Graphic Calculator - Black for sale online | eBay