The ClassPad has evolved from a tool for visual confirmation to a tool for learning, equipped with a CAS engine, enabling easy operations such as a pen touch operation or a pull- down menu operation like a PC, and realizing various natural mathematical expressions. The font setting used in the screen shots of these page is "Regular". Note that the initial default font setting is "Bolder"   The ClassPad Manager for ClassPad 300 PLUS Limited Version(refered to as the 300 PLUS Limited Version hereinafter) is software that is stored in the CD packed with the ClassPad 300 PLUS and that can be run on a Windows PC. The 300 PLUS Limited Version can realize the same functions as the ClassPad 300 PLUS with the same operations on a Windows PC (available for 30 days after installation except for the communication function, which will still be available thereafter). • Computer Algebraic System • eActivity function     · Enable verify function • Geometry Graphing • Spreadsheet Application • 3-dimensional graphing • Data communication with   ClassPad 300/ClassPad 300PLUS • Transferring Files Between    Multiple ClassPads and the PC