This powerful graphing calculator features a color screen that is 320 x 240 pixels (3.5 inches diagonal) and a screen resolution of 125 DPI with 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.