Working, pre-owned condition from a non smoking home TI-84 Plus Silver Edition Calculator Name lightly scratched into back of calculator (see 4th photo) * Features an 8-line by 16-character display * 480KB of ROM memory for data archives and storage applications. * Runs on 4AAA batteries (not included for safety reasons) with a lithium battery backup to protect RAM memory when the main batteries are changed * It can graph 10 rectangular functions, 6 parametric expressions, 6 polar expressions and 3 recursively-defined sequences