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OSALO Manuals & User Guides

OSALO manufactures a wide range of electronic calculators, including scientific, desktop, and financial models known for large displays and dual power efficiency.

Tip: include the full model number printed on your OSALO label for the best match.

About OSALO manuals on Manuals.plus

OSALO (Guangdong OSALO Electronic Technology Co., Ltd.) is a specialized manufacturer of high-quality electronic calculators. Founded in 2006, the brand provides reliable computation tools for students, accountants, and office professionals.

The OSALO product family includes versatile desktop calculators, scientific calculators with hundreds of functions, and portable pocket models. Known for their user-friendly "PC Key" designs and durable ABS construction, OSALO devices often feature dual power sources (solar and battery) to ensure longevity and convenience in any lighting environment.

OSALO manuals

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Pendancy OS-130T Desktop Calculator User Manual

9 iyul 2026-cü il
Pendancy OS-130T Desktop Calculator INTRODUCTION To properly track your finances, you need computational instruments that are fast, durable and have a very legible display. The Pendancy OS-130T Desktop Calculator(130T-Brown) is…

pendancy FQ-200T Small Desktop Calculator User Manual

9 iyul 2026-cü il
pendancy FQ-200T Small Desktop Calculator INTRODUCTION You need the right tools for the task to manage financial numbers accurately. The OS-200T Small Desktop Calculator (Pink) is a reliable calculator for…

pendancy OS-12T Handheld Desktop Calculator User Manual

9 iyul 2026-cü il
Pendancy OS-12T Handheld Desktop Calculator INTRODUCTION "Efficiency, precision and reliability are demanded in today's fast-paced academic and business environments. The pendancy OS-12T Handheld Desktop Calculator (Pink) is designed to give…

Pendancy P1 Small Desk Calculator User Manual

8 iyul 2026-cü il
Pendancy P1 Small Desk Calculator INTRODUCTION Finding a handheld arithmetic tool that provides pocket-sized portability without compromising the processing capacity of a full-sized desk workstation can be a tricky task.…

pendancy OS-A100 Small Desktop Calculator User Manual

8 iyul 2026-cü il
pendancy OS-A100 Small Desktop Calculator INTRODUCTION It’s hard to find an office tool that’s the perfect blend of playful aesthetics and solid everyday functioning. The pendancy OS-A100 Small Desktop Calculator…

OSALO manuals from online retailers

OSALO OS-130T Desktop Calculator User Manual

OS-130T • February 25, 2026
Comprehensive user manual for the OSALO OS-130T desktop calculator, featuring a large 12-digit LCD display, sensitive keys, solar and battery power, and non-slip design.

OSALO OS-200ML Pro Desktop Calculator User Manual

OS-200ML • February 16, 2026
Comprehensive user manual for the OSALO OS-200ML Pro Desktop Calculator, covering setup, operation, maintenance, troubleshooting, and specifications for this 12-digit, solar and battery-powered device with a large LCD…

OSALO Desktop Calculator OS-8812T User Manual

OS-8812T • February 12, 2026
Comprehensive user manual for the OSALO Desktop Calculator OS-8812T, featuring a large display, tax function, and dual power. Includes setup, operation, maintenance, and troubleshooting.

OSALO 82MS II Scientific Calculator User Manual

OS-82MS II • February 7, 2026
Comprehensive user manual for the OSALO 82MS II Scientific Calculator, covering setup, operation, maintenance, troubleshooting, and detailed specifications for model OS-82MS II.

OSALO OS-12T 12-Digit LCD Calculator Instruction Manual

OS-12T • February 1, 2026
This manual provides detailed instructions for the OSALO OS-12T 12-digit LCD calculator, featuring dual solar and battery power, a large display, tax calculation, square root, Grand Total (GT),…

OSALO OS-20TV Office Desktop Calculator User Manual

OS-20TV • February 10, 2026
Comprehensive instruction manual for the OSALO OS-20TV 12-digit desktop calculator, covering setup, operation, maintenance, and specifications for office, home, and school use.

OSALO OS-991MS II Scientific Calculator User Manual

OS-991MS II • January 31, 2026
Comprehensive instruction manual for the OSALO OS-991MS II Scientific Calculator, covering setup, operation of 417 functions, maintenance, troubleshooting, and specifications for students and professionals.

OSALO OS-12T Calculator User Manual

OS-12T • December 15, 2025
Instruction manual for the OSALO OS-12T calculator, featuring a 12-digit display, dual power (solar and battery), and tax functions, suitable for office, home, and school use.

Osalo OS-6815 Desktop Office Calculator User Manual

OS-6815 • December 2, 2025
Comprehensive user manual for the Osalo OS-6815 Desktop Office Calculator, covering setup, operation, maintenance, troubleshooting, and specifications for efficient use in office, finance, and student environments.

OSALO OS-6M Desktop Calculator User Manual

OS-6M • November 19, 2025
Comprehensive user manual for the OSALO OS-6M 12-digit desktop calculator, covering its features, setup, operation, maintenance, and technical specifications. Designed for office, home, and school use, it features…

OSALO support FAQ

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  • How do I replace the battery in my OSALO calculator?

    Access the battery compartment on the back of the device, often secured by a small screw or a slide cover. Replace the old battery with a fresh AA or AAA battery (depending on the model), ensuring the polarity matches the indicators inside.

  • What power sources do OSALO calculators use?

    Most OSALO desktop and scientific calculators utilize a dual power system, operating on solar power in well-lit environments and switching to a chemically integrated or replaceable battery in low-light conditions.

  • Does the calculator turn off automatically?

    Yes, to conserve battery life, OSALO calculators typically feature an auto-off function that powers down the unit after approximately 8 minutes of inactivity.

  • What is the function of the GT key?

    The GT (Grand Total) key accumulates the results of multiple independent calculations. Pressing it recalls the sum of all previous equations ending with the equals sign.