Precalculus- Using the TI-81 Graphics Calculator to Accompany (Third Edition)
- Color Screen. The screen size is 320 x 240 pixels (3.5 inches diagonal) and the screen resolution is 125 DPI.
- 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.Quick alpha keys.
- Six different graph styles and 15 colors to select from for differentiating the look of each graph drawn.