The Canon Printing Calculator P23-DHV-3 is the perfect device for any office or business. It features a 12-digit LCD display and a double-check function for extra accuracy. With a 2.0 lines-per-second printing speed and the ability to print in two colors (blue and red), it is the perfect tool for currency conversion, tax calculation, business calculation, sign change, and grand total. The combination power source ensures reliable performance. Invest in the Canon Printing Calculator P23-DHV-3 for the most efficient and accurate calculations.