The 84 Plus CE has all the functions of TI-84 earlier generations; 30% lighter and thinner. Visualize concepts clearly and make faster, stronger connections between equations, data, and graphs in full color. Enhanced screen readability with high-resolution, backlit display Distinguish between multiple graphs and plots with color-coded equations, plots and objects Make graphs easier to read by adding grid lines *Approved for Exams The TI-84 Plus CE is approved for use on the following exams: " PSAT*, SAT*, and ACT® college entrance exams " AP* Exams that allow or require a graphing calculator " Praxis™ tests that allow or require a graphing calculator " Approved for use on the IB exam Key Features include: " *High resolution, FULL-COLOR backlit display " *Screen size: 320 x 240 pixels (2.8" diagonal) " *TI Rechargeable Battery (included) " *Familiar TI-84 Plus functionality " * Pre-loaded Apps and Images " *3.0 MB FLASH ROM memory for data archive and storage of Apps " *15KB of available RAM memory *MathPrint™ functionality " *USB port for computer connectivity, unit-to-unit communication with TI-84 Plus, TI-84 Plus Silver Edition, and other TI-84 Plus C Silver Edition graphing calculators " *Impact-resistant slide case " *Internal Clock with date and time display