Color LCD display Makes it easy to clearly view numbers, symbols, graphs and more * QuikPlot and Fit Equation Along with graphing grid lines help organize and simplify computations. Approved for use on college entrance exams, including SAT, ACT and AP, for versatile use * USB charging capability Lets you easily power the calculator"s battery using a compatible device"s USB port. AC/DC adapter provides an additional charging option * Supports image download So you can easily transfer information to the calculator for expansive functionality. * Slide-on case Helps protect the calculator, so you can take it with you on the go. You can also choose Interchangeable faceplates which allow you to personalize the look of the calculator.