Sometimes you just need to add up a column of figures, and don't want to input everything into the computer first! Good quality two colour printer. Large 12 digit LCD display. Calendar and clock functions. Cost /Sell / Margin calculation. Quiet! Light touch keys. Will tell user how much change to give back to customer on purchase. Runs on an AC power adaptor which is included, or 4 AA batteries (not included) for cordless use. Microban® antimicrobial technology is built in to all the calculator key-tops to inhibit growth of bacteria on the keys. Used, but not much, not often. Has been stored in the box, away from dust. Very good condition. Yes Virginia, once upon a time ago, this was how we had to add numbers!