This Canon P170-DH3 desk calculator is a reliable tool for all your calculating needs. With a 12-digit display, it can handle all your basic arithmetic operations, including addition, subtraction, multiplication, and division. Additionally, it also features a calendar function, making it an ideal tool for tracking dates and deadlines. The calculator is powered by both a power cord and battery, ensuring that you can use it anywhere, anytime. Its regular size and desktop design make it easy to carry around and use on any surface.