TI83 Plus Silver Edition graphing calculator w/ cover.  Has been tested and works as it should.  Calculator is in very nice pre-owned condition, all buttons are crisp and clear, no noticeable scratches on the screen.  Requires 4 AAA batteries (not included).  The lithium backup battery may need to be replaced. Cover is in nice condition as well. A Five -Star zippered case is included, it is in good condition. Original packing with USB computer cable and book is included. Well taken care of calculator.  Pictures are part of description. Thanks for looking.