List Price: $139.00 Deal Price: $108.96 You Save: $30.04 (22%)TEXTI84PLUS Preloaded with software, including Cabri Jr. interactive geometry software. Up to ten graphing functions defined, saved, graphed and analyzed at one time. Advanced functions accessed through pull-down display menus. Horizontal and vertical split screen options. I/O port for communication with other TI products.Expires Feb 9, 2011