The Monroe ClassicX boasts incomparable touch made possible by its famous IKT (Individual Keyswitch Technology) and superior functionality unmatched in the world of printing calculators. We've carefully designed and built our machines based on decades of listening to our customers' needs. The ClassicX features our newly updated printer which is compatible with supplies such as the Monroe M33X cartridges, Monroe P65M ribbon spools, and our 15 lb. or 20 lb. signature paper rolls. Key Features: - Velvet touch keys with individual key switch technology - our keys have a more responsive touch than any other printing calculator brand, you will feel the difference. - Print speed of 5 lines per second. - A large, fluorescent blue display - each display digit measures 5/8ths of an inch. - Select running subtotal or last entry to show on your display. - Enclosed paper roll to protect from dust build-up (read our blog on the enclosed paper roll) - Red LED indicator to make users aware of an active calculation that has not been totaled yet. - Automatically prints and advances tape above the tear-off knife on a single press of the total key – no more advancing the paper roll manually. We even provide the option to turn this feature off to reduce paper management and save paper. - Hidden storage compartment for a spare paper roll and a twin-spooled ribbon to reduce downtime retrieving supplies. - (2) 4-key independent memories that will allow users to simultaneously run multiple calculations. - Independent operation of multiplication and division, which enables users to multiply and divide without interfering with their addition and subtraction totals. Those who know, choose Monroe.