Monroe Calculators

Monroe Calculators manufactured the first desktop commercial calculator and adding machine and continue to produce high quality calculators, even with heavy usage.

The toughest of the Monroe Calculators is the Monroe Ultimate Heavy Duty Desktop Printing Calculator, 30-50% larger than most Monroe Calculators and with an enclosed printer roll to protect your work from dust and debris. A storage area is attached to hide additional printing rolls and printing ribbon.

Monroe Calculators also offer a wide variety of features to make your workday more productive including percentage change, memory, a tax and mark up button, 12 digit displays, scroll and edit feature, decimal settings, clock and date, spare storage areas for replacement paper rolls, square root keys, averaging, nickel rounding, and paper saving mode. Monroe Calculators and adding machines are available from Ace Office Machines in black, white and ivory.