Monroe 8130X 12-digit Calculator in Ivory

As the inventor of the commercial calculator in 1912, Monroe has earned the trust of Fortune 500 companies, non-profit organizations and government agencies, including the likes of NASA. Even Hollywood has recognized the strength of the Monroe brand as its products have landed on major television networks and hit series including the show Madmen. The standard for heavy-duty desktop calculators, the Monroe 8130 serves as the entry level heavy-duty model with one of the strongest followings as it was preceded by the extremely popular 4130, 5130, and 7130 models. This model is available in black or ivory colors, lives in a rugged body, offers a print speed of 5 lines per second, and has a smooth key touch. Unique to Monroe, the heavy-duty models are equipped with an enclosed paper roll (to protect from dust build up around the printer), indicator lamp (making users aware of an active calculation), and an automatic total print above the tear off knife. Monroe even thought to incorporate storage for a spare paper roll, and both a twin-spooled ribbon and automatic cartridge ribbon underneath the machine to reduce downtime. Functionally, it has an independent memory that stores tax rates and allows for independent operation of multiplication and division, enabling the user to multiply and divide during addition and subtraction. This model is most popular within casino cages and supermarket chains due to their constant demand for a calculator that can run 24 hours a day 7 days a week without failure. The Monroe 8130 has proven itself to outlast and outperform any other competing model available. Those who know, choose Monroe.

- 12-Digit Print/Display
- 4-Key Independent Memory
- Group, Grand Total, Tax, Tax + and Tax -, N-Count, Mark-up, Mark-down
- Percent, % +, % -, Percent change
- Decimal Settings: +, F, 0, 1, 2, 3, 4, 6
- Backspace and Error Correct Features
- Black & Red Print with Print Speed of 5 Lines per Second
- Additional Key Functions: Enclosed Paper Roll, Spare Supplies Storage Areas, Indicator Lamps (for the adding machine and grand total registers), Two Column Addition, and more.
- Most popular within casino cages and supermarket chains due to its unfailing durability

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