The lesson moves fast. Your students need to see the equation and the graph at the same time — not one, then scroll, then the other. The Casio FXCP400 ClassPad II does exactly that on a large colour touchscreen. Plot formulas, graphs and images together. Flip between vertical and horizontal views when the layout demands it. It's the calculator that keeps pace when a teacher is walking through a multi-step problem live. No fumbling with tiny buttons mid-derivation. Order one before the next unit starts
