The MP25DV incorporates a fast, quiet, two-color, high-speed ink ribbon printing system to ensure quick and efficient calculations. When you are not calculating numbers, a built-in clock and calendar make it a very useful addition to your desktop. With sophisticated built-in features such as tax and profit margin calculations, a 12-digit display and high-end durability, the MP25DV is always ready for business! It also includes a quick reference guide for main functions or for address book information.