Texas Instruments TI-84 Plus Calculator

The TI-84 Plus graphing calculator offers three times the memory, more than twice the speed and a higher contrast screen than the TI-83 Plus model. It's keystroke-for-keystroke compatible, too. USB cable included with purchase for downloading free Apps and games. 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.