This is a used Texas Instruments TI-84 Plus Silver Edition handheld graphing calculator. This calculator has been tested and found to be working. This comes with the slide cover to protect the keys and display when not in use. Please see all photos for details of overall physical condition. Note: There is one slightly-darkened spot on the display, but this does not appear to affect overall function. This area is clearly shown in the photos of the display. The display has no scratches or cracks. There is no corrosion in the battery compartment. This calculator requires four (4) “AAA”-size batteries (not included in sale).