Graphing Technology Guide (for use with TI-81, TI-82, TI-85, Casio fx-7700G, Sharp EL 9200-9300, Hewlett-Packard 48G-48GX, BestGrapher Software (IBM), Best Grapher Software (Macintosh) Go to amazon.com Related posts 9 best calculator casio fx-82 DescriptionGraphing Technology Guide by Levy, Benjamin N.