2640-2 : Commercial Desktop with Equals Plus Logic  Extra Large 12 Digit Fluorescent Display  Fast Heavy Duty 4.6 LPS 2 Color Printer  Left Side Total and Equals Plus Logic  Built-in Metal Paper Arm  Two Independent Tax Keys  Allows you to program two separate tax rates for easy computation. Enter two different tax rates (such as city/state) and they are added to your sales total automatically.  Time and Date Feature  Displays and prints current time or date at touch of a key  Markup/Gross Profit Margin Key  Cost-Sell-Margin Keys  Allows you to quickly and easily solve cost-sell-margin problems by entering two variables and the third appears and prints  4 Key Independent Memory  Delta Percent - Percent of Change  Percent Key  Change Sign Key  Grand Total  Item Count  Date/Non-Add Key  Square Root Key  Backspace Key  Automatic Constants  Uses a two color twin spool ribbon  3 Year Warranty Length: 11 Width: 8 Height: 3 Weight: 3.2 lbs. Color: White