COMPACT, LIGHTWEIGHT, AND CORDLESS – This calculator allows you take your work with you wherever you go without the hassle of a long tangled cord LARGE LCD DISPLAY & 2 COLOR PRINTER - A large 12-digit LCD display and 2 color printer helps to easily see the numbers DECIMAL, ROUNDING, PERCENT & TAX FUNCTIONS – These functions solve a variety of mathematical problems, making it possible to get all your work done using just one calculator POWERED BY BATTERIES – The EL-1611V can be powered by 4 AA batteries (included) AC Adapter NOT included REPLACEABLE INK - This calculator uses replaceable Victor ink roller IR40T