New never used Full-colour display with backlit capability. Touchpad navigation works more like a laptop computer. Ability to utilize images and overlay with graphical elements on screen View multiple representations of a single problem on screen, at the same time Make changes to one representation of a problem and instantly see how it affects other “dynamically linked” representations Navigate easily between screens and functions using the intuitive, computer-style interface that includes drop-down menus and simplified cursor controls Create and save problem-solving steps as electronic TI-Nspire documents similar to those on a computer Available memory: 16MB RAM / 20MB ROM Package is mangled