Casio FX-CG10 PRIZM Color Graphing Calculator (Black) Full-color LCD screen - bursting with over 65,000 brilliant colors with a spacious 3.7" LCD Screen - over 82,000 pixels (384 x 216) Users can create graphs over pictures of real-life scenes to better understand mathematical functions Color-Link and conditional formatting for graphs, charts and spreadsheet formatting Casio "Picture Plot" Technology - infusing real images into math 16MB maximum storage memory capacity and Requires 4 AAA batteries Color graphs PC link port 3.7 inch color display Fraction key Complex number calc