Here are the key features of the Canon P200-DH III printing calculator:12-Digit Display: Shows large, easy-to-read numbers on a clear LCD screen.Two-Color Printing: Prints positive numbers in black and negative numbers in red.Ink Roller System: Uses a standard Canon CP-13 ink roller.Time & Date Function: Includes a built-in clock and calendar feature.Tax Calculations: Dedicated keys for quick tax margin and rate calculations.Cost-Sell-Margin: Special keys to easily compute profit margins.AC Powered: Plugs directly into a standard wall outlet.