The Victor Printing Calculator VCT12054 features a 12-digit LCD display and prints at a speed of 2.0 lines per second. It is designed with environmental considerations, made from 25% recycled plastic. This calculator includes tax +/- keys, three independent memory keys, and cost/sell/margin keys for efficient calculations. Additional features include a backspace key, date/non-add function, percent key, and automatic constants. It operates on AC power with the included adapter or can be powered by four AA batteries (sold separately).