The Texas Instruments TI-83 Plus Graphing Calculator is a highly advanced and powerful tool designed for students and professionals. It features a regular-sized display and key size, making it easy to use and navigate. This handheld calculator operates on batteries, making it extremely portable and convenient. It is ideal for business and industrial use, as well as for office equipment and calculators. The TI-83 Plus is a new, unopened item that is perfect for school tests and other academic needs. Its model number is TI-83 Plus and it is made by Texas Instruments.