From the very first tap on the soft-touch keys, you instantly feel the ergonomic design that is built right in. Loaded with versatile features to perform almost any type of business or financial calculation. Includes a large fluorescent display and two-color ribbon printing. Average and pairing calculations to help avoid any hassles, mistakes and time wasting. Power Source(s): AC; Display Notation: Numeric; Number of Display Digits: 12; Display Characters x Display Lines: N/A.