Check the listing for details. Texas Instruments TI-83 Plus Edition Graphing Calculator Black With Hard Cover.. Condition: Used. Listed at 22.99 USD. The Texas Instruments TI-83 Plus Edition Graphing Calculator Black With Hard Cover is a handheld device that combines basic and graphing capabilities. It features an LCD display and is programmable, making it useful for a range of tasks in business, industrial, and office settings. This model is known for its reliable performance and durability, thanks to the hard cover that protects the device. Powered by a power cord or batteries, this calculator is a versatile tool for those in need of advanced mathematical functions on the go. Although calculator is used, it is in very nice, clean condition, As shown in photo, there is what I believe to be white marker on the area of the back where the information is. Fast, safe shipping.