TI-84 Plus Silver Edition graphing calculator is ideal for pre-algebra through calculus, biology, chemistry and physics. Offers 1.5MB Flash ROM memory for data archive and storage of Apps, 24KB of available RAM memory, 8-line by 16-character display, functions accessed through pull-down display menus. Calculate real and complex numbers to 14-digit accuracy and displayed with 10 digits plus a 2-digit exponent. Calculator graphs 10 rectangular functions, six parametric expressions, six polar expressions, and three recursively-defined sequences. Includes slide case, official AP Biology review questions, USB cable, complete electronic guidebook on CD-ROM and Getting Started Guide. Preloaded with many preloaded Apps including Organizer, Study Cards, Cabri Jr. and Periodic Table (Apps subject to change). Runs on four AAA batteries with a Silver Oxide battery backup to protect RAM memory during main battery change.