The Texas Instruments TI-84 Plus CE-T graphing calculator incorporates a high-resolution, backlit color display that allows you to clearly view concepts and make faster and stronger connections between equations, data, and graphs. The TI-84 Plus CE-T also stands out for its TI rechargeable battery (battery charger included), its numerous features and the import and use of images. The rechargeable battery is conveniently recharged using a USB cable, a wall charger or the TI-84 Plus C Charging Base. Other features: MathPrint functionality. Two-year warranty.