The TI-84 Plus offers 3 times the memory for Handheld Software Applications (Apps), a faster processor for getting the most out of Apps such as Cabri® Jr., 13 unique preloaded Apps (compared to 4 on the TI-83 Plus), and a USB computer connectivity cable included in the purchase price of a TI-84 Plus. In addition, every TI-84 Plus (included student models) can connect to a TI-Presenter or ViewScreen panel.