Texas Instruments TI-Nspire CX II CAS Graphing Calculator Item Condition:New Up to 40 Hours of

Up to 40 Hours of Battery Life

It automatically wakes your iPad when opened and puts it to sleep when closed

Backup Software: Includes WD Backup software for Windows and Apple Time Machine compatibility for Mac

Auto schedule feature learns the temperatures you like and programs itself in about a week

Texas Instruments TI-Nspire CX II CAS Graphing Calculator Item Condition:New Up to 40 Hours ofThe 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. Quick alpha keys Six different graph styles and 15 colors to select from