This listing is for One Texas Instruments TI-83 PLUS Silver Edition Graphing Calculator.  The Calculator is Complete with its Protective Slide Cover & Battery Cover, and includes x4 Brand New Duracell AAA Batteries.  The device also has a brand new backup battery, freshly installed.  The Calculator is Very Clean and in Great used / preowned condition, just as shown. Please see the photos!  Fully tested, the device works perfectly.