Read: There is a writing on the font cover and back. Please see pictures for further description. The Texas Instruments TI-83 Plus is a graphing calculator designed for business and office use. It comes with a protective cover and has been tested to ensure it works great. With its reliable brand reputation and specific model, this calculator is known for its functionality and efficiency in performing various mathematical calculations and graphing tasks. Its features make it a popular choice for professionals and students alike who require a high-quality calculator for their work or studies.