Heavy Duty X Series Calculator
Monroe 8130X 12 Digit Heavy Duty Accounting Printing Calculator
The Monroe 8130X is a heavy duty accounting printing calculator created for professionals who need fast, straightforward calculations and a dependable printed record. Its 12 digit display, 5 line per second printer, independent memory, enclosed paper roll, and practical basic functions make it an excellent choice for accounting offices, bookkeeping departments, supermarket offices, casino cages, and other busy workplaces.

Straightforward Performance for Heavy Workloads
The 8130X focuses on the essential functions used during daily accounting, bookkeeping, and business calculations. Its simple controls help experienced adding machine users work efficiently without navigating unnecessary functions or complicated menus.
A slide switch lets the operator select a running subtotal or grand total. Independent multiplication and division make it possible to complete those operations during addition and subtraction workflows, while automatic total printing places the final result above the tear off knife for easy reference.
Monroe 8130X Product Overview
12
Digit Display
5
Lines Per Second
1
Independent Memory
X Series
Heavy Duty Design
Key Features
- Fast printer: Produces calculation records at a speed of 5 lines per second.
- Large display: Shows up to 12 digits for clear viewing during business and accounting calculations.
- Active indicator: An indicator lamp helps make the operator aware when a calculation is active.
- Selectable totals: A slide switch lets the operator choose between a running subtotal and grand total.
- Enclosed paper roll: Helps protect the calculator paper from dust and keeps the desktop looking organized.
- Supply storage compartment: Hidden storage provides space for a spare paper roll and twin spool ribbon.
- Independent multiplication and division: Complete multiplication or division during addition and subtraction workflows.
Built for Professional Accounting Environments
Accounting Offices
Produce clear paper records while completing routine totals, reconciliations, and financial calculations.
Bookkeeping Departments
Handle frequent addition, subtraction, multiplication, and division with a familiar desktop workflow.
Supermarket Offices
Support cash management, department totals, daily reporting, and other high frequency office calculations.
Casino Cages
Complete repetitive totals and maintain a printed calculation record in busy cage and finance operations.
Enclosed Paper Roll and Convenient Supply Storage
Unlike calculators that leave the paper roll fully exposed, the Monroe 8130X stores its active paper roll inside the calculator housing. This helps protect the paper from dust buildup while creating a cleaner and more professional desktop appearance.
A hidden compartment provides space for a spare calculator paper roll and twin spool ribbon. Keeping replacement supplies inside the calculator can help employees replace commonly used materials without leaving their workstation.
What Is Included
Compatible Ribbons and Calculator Paper
The updated 8130X printer accepts Monroe M33X ribbon cartridges, P65M twin spool ribbons, and standard 2 1/4 inch by 150 foot calculator paper rolls. Monroe supplies are recommended for consistent print clarity and dependable fit.
M33X Ribbon Cartridges
Convenient cartridge ribbons designed for Monroe X Series printing calculators.
View M33X RibbonsCalculator Paper Rolls
Choose premium 15 pound or 20 pound paper rolls for clear calculation records.
View Calculator PaperCalculator Supply Kit
Keep replacement paper rolls and ink ribbons available in one convenient supply package.
View the Supply KitLarge Elevation Wedge
Elevate the calculator to create a more comfortable angle for frequent desktop use.
View the Elevation WedgeMonroe 8130X Product Video
See the Monroe 8130X printing calculator and learn more about its features, controls, and professional applications.

What the Monroe Expert Says
Joe Spurka, Vice President of Operations
Joe describes the 8130X as Monroe's most straightforward and popular heavy duty calculator. It is used by customers with demanding workloads, including supermarkets, casinos, bookkeeping departments, and accounting offices.
Its appeal comes from its simple operation, large display, fast printing speed, enclosed paper roll, and ability to perform the essential calculations professionals use throughout the workday.
View the Monroe 8130X User Manual
Review operating instructions, calculator functions, and setup information for the Monroe 8130X.
Open the User Manual
