Pocket Small Size Desk Calculator OS-12T
#28
pendancy

pendancyColor12T Pocket Small Size Desk Calculator OS-12T

Rating

Model: OS-12T
$9.99(incl. tax)Amazon price as of 2025-09-29
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Product Overview

This pocket-sized calculator from pendancyColor12T features a 12-digit LCD display and dual power source (solar and battery). It's designed for basic calculations in office, school, or business settings. The calculator includes a tax function, memory functions (M+, M-, MR, MC), and mark-up calculation. Made from ABS engineering plastic, it's lightweight and durable. The 30° angled screen enhances readability. It automatically shuts down after 8 minutes of inactivity to conserve power. It is suitable for basic arithmetic and percentage calculations.

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Product Specifications

Digit Displayed
12digits
Power Source
Solar and battery powered
Display Type
LCD
Key Type
ABS plastic
Dimensions
135x98x23mm
Weight
90g
Memory Function
Yes
Tax Calculation
Yes
Percentage Calculation
-

Size & Weight

Weight
3.17 ounces
Hight
0.04 inches
Width
3.8 inches
Depth
5.3 inches

Features

Tax Calculation Function

This calculator includes a tax calculation function, allowing users to quickly calculate tax amounts. This feature simplifies tasks such as calculating the final price of items or managing business expenses. It is useful for quick calculations when shopping or managing household finances.

Memory Function

Features a memory function (M+, M-, MR, MC) for storing and recalling numerical values, making it easier to perform multi-step calculations and reuse frequently used numbers. This function simplifies complex calculations that involve reusing the same numbers repeatedly.

Square Root Calculation Function

This calculator does not have a square root calculation function. Users needing to calculate square roots will need to use external tools or manual methods. This is a limitation for tasks requiring square root calculations.

Percentage Calculation Function

Includes a percentage calculation function, which simplifies calculating discounts, profit margins, and other percentage-related tasks, making it useful for shopping and data analysis. This function avoids the need for complex manual calculations.

Sign Change Function

The sign change function allows users to quickly switch the sign of a number from positive to negative or vice versa, simplifying calculations involving debits, credits, and temperature changes. This simplifies correcting entry errors or performing calculations with both positive and negative numbers.

Decimal Place Setting Function

This calculator does not offer a decimal place setting function. The calculator displays results with a fixed number of decimal places. This may be a limitation for users who need to control the precision of their calculations.

SHOPSTAFF Rating Score

#28
Ranked #28 out of 83 products in Category
4.0
Overall Rating

This is a basic, pocket-sized calculator suitable for simple calculations. It lacks advanced functions and may not be durable enough for heavy use. It is positioned as an entry-level calculator with limited features. The predicted usage period is moderate, depending on handling. It is best for basic arithmetic tasks.

Display Size and Readability
4.0
The 12-digit LCD display is large enough for easy reading, and the 30° angled design helps reduce glare. The digits are clear, but the contrast could be better in low-light conditions. It is adequate for most basic calculations.
Key Size and Tactile Feedback
3.8
The keys are made of ABS plastic and provide decent tactile feedback. The separated big buttons are designed to match the curve of fingers, which helps improve accuracy. However, the key size might be small for users with larger fingers.
Basic Functionality and Features
4.0
It covers essential functions like addition, subtraction, multiplication, and division. The inclusion of memory functions (M+, M-, MR, MC) and tax function enhances its utility for everyday calculations. It also has mark up function for calculating gross profit margin.
Power Source and Battery Life
4.5
The calculator uses both solar and battery power, providing reliable performance in various lighting conditions. The automatic power-off feature after 8 minutes helps conserve battery life. The solar panel has a high conversion rate.
Durability and Build Quality
3.5
Made from ABS engineering plastic, it is lightweight but durable enough to withstand drops from a desktop. However, it may not be as robust as higher-end models with metal or reinforced plastic construction. It is suitable for daily use.
Size and Portability
4.8
Its pocket size and light weight make it highly portable and convenient for students, waitresses, and anyone on the go. It easily fits into a bag or pocket without adding much bulk. The compact design does not compromise usability.
Manufacturer Reliability and Warranty
3.0
Pendancy is a manufacturer with some experience, but it is not as well-known as established brands. The product's reliability is moderate, and warranty information is not readily available, which may cause concern for some users.
Cost Performance
4.5
It offers a good balance of features and performance for its low price. It is a cost-effective option for those needing a basic calculator for everyday use. The dual power source and tax function add value for the price.

Brand & Manufacturer Details

pendancyColor12T
Pendancy specializes in electronic calculator technology, offering OEM and ODM services with brands like "OSALO" and "Pendancy." ISO9001 certified with a monthly production capacity of 600,000 units.

Key Highlights

  • Compact size
  • Dual power (solar and battery)
  • Affordable price

Considerations

  • Avoid dropping
  • Keep away from moisture
  • Limited durability

Recommended For

  • Students
  • Home users
  • Waitresses

Not Recommended For

  • Engineers
  • Accountants
  • Users requiring advanced functions

Suitable For

  • School
  • Home
  • Basic office tasks

Not Suitable For

  • Complex engineering calculations
  • Advanced financial analysis
  • Scientific research

Frequently Asked Questions (FAQ)

Q.Is this calculator suitable for office use?
A.Yes, according to staff confirmation, it's a great size for office use and has good quality and durability. There are also larger sizes available if you prefer a bigger calculator for your desk.
Q.Can this calculator be easily carried around?
A.Yes, the small size is designed to be portable. Staff confirmation mentions it can be carried in a wallet.
Q.Does the calculator have an off button?
A.No, it doesn’t have an off button, but staff confirmation notes that it automatically times out after a few minutes of inactivity.
Q.Is the screen easy to read?
A.Yes, the calculator has a large LCD display and the screen is angled for easy reading, even in low light according to staff confirmation.
Q.What kind of power source does this calculator use?
A.The calculator uses both solar power and battery power for dual power supply.
Q.Is this calculator durable?
A.Yes, it is made of ABS engineering plastic, which makes it lightweight and durable. It can withstand impacts from falling on a desk.
Q.Are the buttons easy to press?
A.Yes, the buttons are separated, big, and made of ABS plastic to match the curve of fingers, making each press accurate and efficient according to the product overview.
Q.What if my calculator is missing a footpad?
A.One staff member reported missing a footpad but didn't feel it was significant enough to return the product. You may want to contact customer support if this is a concern.

SHOPSTAFF Rating Ranking

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Memory FunctionYesTax CalculationNo
Percentage CalculationNo
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4.4Overall Rating
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Digit Displayed12 digitsPower SourceBattery Powered, Solar Powered
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Dimensions- mmWeight- g
Memory FunctionYesTax CalculationNo
Percentage CalculationYes
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4.3Overall Rating
4.5Display Size and Readability
4.3Key Size and Tactile Feedback
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Digit Displayed12 digitsPower SourceBattery Powered & Solar Powered
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4.3Overall Rating
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Dimensions- mmWeight- g
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Percentage CalculationPercent
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