The ClassPad 300 features a large 160 by 240-dot LCD that enables easy and definite entering of data and selection of menu commands with the stylus. Various commands can be selected from the pull-down menu using the stylus. Also, you can use the Drag & Drop or Copy & Paste functions for efficient operations. The Soft Keyboard is very efficient for entering various commands or entering complex expressions in natural display format, and it makes the input operations remarkably simple. With this function, it is unnecessary to follow the complicated input method unique to conventional scientific calculators. The ClassPad 300 provides Soft Keyboards of four different display types. Math keyboard Alphabet keyboard Catalog keyboard 2D keyboard The Natural Input/Output Function enables you to input and display expressions or display the results of the calculation in the same format shown in the textbook. By using the highly functional CAS (Computer Algebra System) in calculations, it not only provides the numerical value of the calculation result but it displays the complete process of the formula as a result. Thus it enhances deeper understanding of mathematics.