Canon MP1D Printing Calculator You can calculate and print with the Canon P1-DHV calculator. Featuring a time calculation element, this Canon calculator enables you to calculate time-based fee structures. This compact printing calculator also incorporates one-touch keys that allow you to compute profit margins with ease. With the ability to print 2.0 lines per second, this Canon Calculator finishes your work in no time. Built with an attractive LCD display, the Canon P1-DHV gives you a strain-free view of the digits. Weighing just 11.0 oz, this compact printing calculator will fit comfortably in the palm of your hand.