Graphing calculator handles calculus?? algebra?? matrices?? and statistical functions</br>188 KB RAM and 2.7 MB flash memory for speed; plenty of storage for functions?? programs?? data</br>Includes all accessories + CD manual + 4 brand new AAA batteries.</br>Includes Guerrilla military grade screen protector set</br>Certified Reconditioned. Looks and works like new.</br></br>Product Description</br></br>The TI-89 Titanium lets you perform basic math?? algebra?? calculus?? graphs?? matrices?? and statistical functions and creating animations?? graphing 3-D rotations?? and plotting contours. Graphing functions include basic function graphing?? parametric graphing?? polar graphing?? sequence graphing?? 3-D graphing?? and differential-equation graphing. Additionally?? the TI-89 Titanium includes symbolic manipulation?? constants and measurement units?? statistics and data plots?? a numeric solver?? a text editor?? programming capabilities?? tables?? a split-screen function?? variable management?? and the ability to