Casio Class Pad 330. Graphing Calculator. - Books & Magazines - 1039488748
Casio ClassPad 300 - Wikipedia
CASIO Calculators Global - Our #10yearchallenge – from ClassPad 330 to ClassPad 400. ClassPad 400: 📍 Beautiful 4.8-inch color display 📍Intuitive pinch in/out on the touch panel 📍Real life applications of graphs