This Texas Instruments TI-83 Graphing Calculator is a handheld unit with a regular display size that operates on batteries. It is ideal for business and industrial use, as well as for office equipment in need of a reliable calculator. The calculator does not come with any custom bundle and has not been modified. This black calculator comes with a cover and is sold as parts or repair only. It is a regular key size type with a unit quantity of one. The calculator model is TI-83 and is made in Taiwan.