The TI-Nspire CX handheld features a full-color, backlit screen, thin sleek design and includes TI-Nspire rechargeable battery. Use images including your own photos. Explore real-world concepts using the handheld's Notes, Graphs, Geometry, Data & Statistics and questions apps. TI-Nspire Teacher Sofware or TI-Nspire student software is required to add images into TI-Nspire documents. Graph and rotate 3D functions. Change the wire or surface color of your 3D graph. Clam shell.