The Texas Instruments TI- 84 Plus Graphing Calculator is an enhanced version of the TI-83 Plus. This model is permitted on many state and standardized tests. Enjoy features such as 3x more memory than the TI-83 Plus and the included USB cable for instant computer connectivity. Preloaded with more software for classes including Cabri Jr. Interactive Geometry software. | Texas Instruments TI-84 Plus Graphing Calculator