Popular NEW TI-84 Plus Silver Edition functionality now in color, slimmer and lighter. Screen size: 320 x 240 pixels (2.8" diagonal) Screen resolution: 140 DPI; 16-bit color Powered by the TI Rechargeable Battery (included). Provides the user with the tools to quickly solve a variety of equations and problems. Plastic Protective Cover included. Slim design makes it easy to carry from Class to Class.