Get all your graphing calculations done with the Casio FX-CG50AU Calculator. It features a 4.5mb built-in storage memory and a high-resolution colour screen, which distinguishes graphs by their colour. This calculator has a 3D graphing function, which allows you to draw 4 types of 3D graphs and explore them visually, a Catalog function for quick and easy selection of a desired command, and the E-CON4 application with Auto-ID recognition for collecting data, as well drawing graphs of collected data automatically with no complicated settings.