Texas Instruments Ti-83 Plus Graphing Calculator(packaging May Vary) NEW packing does not contain user guide and CD. Graphing calculator handles calculus, engineering, trigonometric, and financial functions Can display graphs and tables on split screen to trace graph while scrolling through table values LCD screen features 64 x 96 pixel resolution for clear, readable display Built-in memory for storage and analysis of up to 10 matrices . Backed by 1-year warranty