Texas Instruments TI-Nspire CX II CAS Advanced Graphing Calculator

Color Screen. The screen size is 320 x 240 pixels (3.5 inches diagonal) and the screen resolution is 125 DPI; 16-bit color. Rechargeable battery included. Can last up to two weeks on a single charge. Handheld-Software Bundle. Includes the TI-Inspire CX Student Software delivering enhanced graphing capabilities and other functionality. Thin Design and lightweight with easy touchpad navigation