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
Casio ClassPad 300 - Wikipedia
ClassPad 330 | SCHOOL & LAB. | Calculators | CASIO