Product Detail Advanced graphing calculator 1.54 MB RAM, 480 KB flash ROM; 30 pre-loaded applications Advanced statistics and financial features Built-in USB port and I/O port; unit-to-unit link cable Split screen displays graph and editor or graph and table . The "Texas Instruments TI-84 Plus Silver Edition Graphing Calculator Pink" is best product for you. We recommended Texas Instruments TI-84 Plus Silver Edition Graphing Calculator Pink