May just need internal battery changed. I do not have one. It comes on with just the 4 AAA batteries.

This Texas Instruments TI 83 Plus calculator with manual is a great addition to your office equipment collection. It is a reliable device that can help you with all your calculations. The calculator is being sold as is, and the buyer should note that it may not be working properly.

Despite its condition, this calculator can still be a valuable asset for those who know how to repair and restore it. The TI 83 Plus model is a highly sought-after calculator by many professionals in the business and education sectors. This is the perfect opportunity to own a Texas Instruments TI 83 Plus calculator at a very affordable price.