You are looking at a used TI-83 Plus Graphing Calculator. It has been tested and is 100% functional. See pictures for for an idea of what yours will look like.

Acceptable - The screen may have scratches and/or dark spots. There may be normal, general wear, stickers, missing rubber feet, permanent marker, engravings and small amounts of other paint. Some buttons may show wear on the high points.

Good - The screen will be clear of blemishes and scratches. There may be normal, general wear, stickers, missing rubber feet, permanent marker, engravings and small amounts of other paint. Some buttons may show wear on the high points.

Very Good - The screen will be clear of blemishes and scratches. There may be normal, general wear, missing rubber feet. 

Excellent - The screen will be clear of blemishes and scratches. Minor wear from light usage. No missing rubber feet. 

This calculator comes with:

* Sliding Cover 
* Battery Door 
* Battery Compartment Cover

Photo above is a stock photo and different from the one you will actually receive.