The TI-Nspire CX CAS (Computer Algebra System) handheld device & companion software are designed to generate opportunities for classroom exploration & symbolic manipulations. In addition to the flexibility offered by the TI-Nspire CX CAS handheld device, s simple, menu-driven document structure, the TI-Nspire CX CAS handheld device is enhanced by a backlit colour screen with the ability to import images & overlay graphs & other elements, bringing concepts to life.