The ClassPad 330 comes with all the functions of the ClassPad 300 including an impressive collection of applications that support self-study, like 3D Graphing, Geometry, eActivity for creating discovery based lessons and lots more. Additional features of the ClassPad 330 include upgraded CAS Technology and Geometry Application, new AP Statistics functionality, and three new applications: Differential Equation Graph, Financial and Probability. A big 160x240 pixel LCD touch screen enables easy and intuitive stylus-based operation. With the stylus, you will be able to drag, drop and visualize mathematics in multiple ways.