Calculator Small, 4 Function Calculators with Solar Power 8 Digit Small Pocket Size Desktop Handheld for Classroom Desktop Home

#72

BESTWYA

BESTWYA Calculator Small, 4 Function Calculators with Solar Power 8 Digit Small Pocket Size Desktop Handheld for Classroom Desktop Home

Name: Calculator Small, 4 Function Calculators with Solar Power 8 Digit Small Pocket Size Desktop Handheld for Classroom Desktop Home
Brand: BESTWYA
SKU: B09V14B88M
Price: 40.99 JPY
Availability: InStock
Rating: 3.5 (1 reviews)

Rating

Model: BESTWYA267

$40.99(incl. tax)Amazon price as of 2025-09-29

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Product Overview

This small calculator from BESTWYA is designed for basic arithmetic functions. It features an 8-digit LCD display, solar and battery power, and a compact size suitable for students and home users. The calculator supports addition, subtraction, multiplication, division, sum, percentage, and square root calculations. It is lightweight and portable, making it easy to carry in a backpack or keep on a desk. The calculator includes an OFF button to save battery power and comes with included AA batteries. It is available in a set of 30.

BESTWYA Calculator Small, 4 Function Calculators with Solar Power 8 Digit Small Pocket Size Desktop Handheld for Classroom Desktop Home の商品画像 1

Product Specifications

Digit Displayed

8digits

Power Source

Battery Powered & Solar

Display Type

Key Type

Dimensions

-mm

Weight

58.6g

Memory Function

Yes

Tax Calculation

Percentage Calculation

Yes

Size & Weight

Weight

2.07 ounces

Hight

0.79 inches

Width

4.5 inches

Depth

2.5 inches

Features

Tax Calculation Function

Feature Description

A function that automatically calculates the tax amount and total price by simply entering the pre-tax price and tax rate. Useful for quick calculations when shopping or managing household finances. Simplifies calculating consumption tax when comparing prices.

About This Product

This calculator does not include a dedicated tax calculation function. Users will need to manually calculate tax amounts using the basic arithmetic functions. This can be a limitation for users who frequently need to calculate taxes.

Memory Function

Feature Description

A function to store numerical values and reuse them in subsequent calculations. It stores intermediate calculation results or frequently used numbers. Simplifies complex calculations that involve reusing the same numbers repeatedly.

About This Product

Features a memory function for storing and recalling numerical values, making it easier to perform multi-step calculations and reuse frequently used numbers. This function is useful for students and anyone performing repetitive calculations.

Square Root Calculation Function

Feature Description

A function to calculate the square root of a number. Useful for calculations in DIY projects or schoolwork where square roots are required. Eliminates the need to manually calculate square roots or use external tools.

About This Product

Includes a square root calculation function, allowing users to quickly find the square root of a number. This is useful for basic math and science calculations, eliminating the need for manual calculation or external tools.

Percentage Calculation Function

Feature Description

A function to easily calculate percentages such as discounts or profit margins. Useful when shopping or analyzing sales data. Avoids the need for complex manual calculations.

About This Product

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 saves time and reduces the chance of errors.

Sign Change Function

Feature Description

A function to quickly switch the sign of a number from positive to negative or vice versa. Useful for calculations involving debits and credits or temperature changes. Simplifies correcting entry errors or performing calculations with both positive and negative numbers.

About This Product

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 function is useful for accounting and scientific applications.

Decimal Place Setting Function

Feature Description

A function to specify the number of decimal places displayed in the calculation result. It allows to round off results or display up to a specified number of decimal places. Useful when you want to avoid displaying unnecessary digits.

About This Product

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

SHOPSTAFF Rating Score

#72

Ranked #72 out of 83 products in Category

3.5

Overall Rating

A basic, inexpensive calculator suitable for simple calculations. Its dual power source and compact size make it convenient for students and home users. Durability may be a concern with heavy use.

Display Size and Readability

3.5

Rating Criteria Explanation

The size of the calculator's display directly impacts how easily you can read numbers and equations. A larger display with clear, high-contrast digits reduces eye strain, especially during prolonged use. Consider the number of digits the display can show at once; a larger capacity is beneficial for complex calculations. Backlighting can also improve readability in dimly lit environments. A display that's easy to read minimizes errors and improves overall efficiency.

Rating Comments

The 8-digit LCD display provides clear numbers for basic calculations. The display is adequate for simple tasks, but may feel limited for more complex equations or larger numbers. Readability is good in well-lit environments.

Key Size and Tactile Feedback

3.0

Rating Criteria Explanation

The size and feel of the calculator keys are crucial for comfortable and accurate input. Larger keys are generally easier to press, reducing the likelihood of accidental entries. Tactile feedback – the physical sensation you get when pressing a key – is equally important. Keys with good tactile feedback provide a clear indication that the input has been registered, improving speed and reducing errors. Consider the key layout as well; a well-spaced and logically arranged keypad enhances usability.

Rating Comments

The small buttons are raised, making them suitable for small fingers. However, adults may find the keys a bit tight and less comfortable for extended use. Tactile feedback is present, but not very pronounced, which may lead to occasional input errors.

Basic Functionality and Features

3.5

Rating Criteria Explanation

Ensure the calculator offers all the basic mathematical functions you need: addition, subtraction, multiplication, division, square root, and percentage. Some basic calculators may also include memory functions (M+, M-, MR, MC) for storing and recalling numbers, which can be very useful for multi-step calculations. Evaluate whether the included functions adequately cover your typical calculation needs to avoid frustration later on.

Rating Comments

It includes essential functions such as addition, subtraction, multiplication, division, percentage, and square root. The memory function is a useful addition for storing intermediate results. It adequately covers basic calculation needs for students and home users.

Power Source and Battery Life

4.0

Rating Criteria Explanation

Basic calculators typically operate on either solar power, batteries, or a combination of both. Solar-powered calculators are convenient as they don't require battery replacements, but they need sufficient ambient light to function. Battery-powered calculators offer reliable performance regardless of lighting conditions, but you'll need to replace the batteries periodically. Consider models with long battery life to minimize maintenance. Some calculators also feature an automatic power-off function to conserve battery when not in use.

Rating Comments

The dual power source (solar and battery) provides reliable performance. Solar power works in bright light, while battery power ensures continuous operation. The automatic power-off function helps conserve battery life, extending the usage period.

Durability and Build Quality

3.0

Rating Criteria Explanation

A calculator's durability determines how well it withstands daily use and potential accidental drops. Look for calculators constructed from sturdy materials, such as high-quality plastics, that can resist wear and tear. A robust design ensures that the calculator will continue to function reliably over an extended period. If you plan to carry the calculator frequently, consider a model with a protective cover or case to prevent damage to the display and keys.

Rating Comments

Constructed from PS material, the calculator is light and portable. However, the build quality feels somewhat cheap, and it may not withstand frequent drops or heavy use. Some users have reported issues with the battery cover staying on.

Size and Portability

4.5

Rating Criteria Explanation

The size and weight of the calculator are important, especially if you intend to carry it around frequently. A compact and lightweight calculator is easier to slip into a bag or pocket, making it convenient for students and professionals on the go. However, be mindful that a smaller size might compromise display size or key size. Strike a balance between portability and usability based on your individual needs and usage scenarios. Consider the overall dimensions and weight to ensure it fits comfortably in your hand.

Rating Comments

Its compact size and lightweight design make it easy to carry in a bag or pocket. The calculator is convenient for students and professionals on the go. It fits comfortably in the hand and doesn't take up much space on a desk.

Manufacturer Reliability and Warranty

2.5

Rating Criteria Explanation

Opting for a calculator from a reputable manufacturer generally ensures higher quality and reliability. Established brands often have better quality control processes and offer more comprehensive warranties. A warranty protects you against manufacturing defects and malfunctions, providing peace of mind and potential cost savings in the event of a problem. Research the manufacturer's reputation and warranty terms before making a purchase. Look for brands known for producing durable and accurate calculators.

Rating Comments

BESTWYA is not a well-known brand, so reliability and warranty information may be limited. Customer reviews suggest some quality control issues, such as calculators miscalculating or malfunctioning shortly after purchase.

Cost Performance

4.0

Rating Criteria Explanation

Ultimately, the best basic calculator offers the optimal balance of features, performance, durability, and price. Evaluate the cost in relation to the calculator's functionality and build quality. A slightly more expensive calculator with better features, durability, and a longer warranty may offer better long-term value than a cheaper model that may need to be replaced sooner. Consider your budget and prioritize the features that are most important to you to find the best cost-performance ratio.

Rating Comments

Offers good value for the price, especially considering the included features and dual power source. It's a cost-effective option for those needing a basic calculator for simple tasks, but durability may be a concern over the long term.

Brand & Manufacturer Details

BESTWYA

BESTWYA offers basic calculators suitable for students and home use, emphasizing affordability and ease of use.

Considerations

Avoid dropping
Ensure battery cover is secure
Solar power requires bright light

Recommended For

Students
Home users
Anyone needing basic calculations

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.Are these calculators suitable for students?

A.Yes, the small size and basic functions are great for students learning basic math. The ergonomic shape makes them easy to hold.

Q.Are these calculators suitable for students?

A.Yes, the small size and basic functions are great for students learning basic math. The ergonomic shape makes them easy to hold.

Q.How is the calculator powered?

A.It's dual-powered, using solar power in bright light and battery power (1 AA battery required). Remember to insert the battery before use.

Q.How is the calculator powered?

A.It's dual-powered, using solar power in bright light and battery power (1 AA battery required). Remember to insert the battery before use.

Q.What are the dimensions of the calculator?

A.The calculator is small and compact, with dimensions of 4.5 x 2.5 x 0.79 inches.

Q.What are the dimensions of the calculator?

A.The calculator is small and compact, with dimensions of 4.5 x 2.5 x 0.79 inches.

Q.What functions does this calculator have?

A.It features an 8-digit LCD display and basic functions like addition, subtraction, multiplication, division, sum, percentage, and square root.

Q.What functions does this calculator have?

A.It features an 8-digit LCD display and basic functions like addition, subtraction, multiplication, division, sum, percentage, and square root.

Q.What if I have issues with the calculators?

A.Each calculator is tested before shipping, but if you have any concerns, feel free to contact the seller through Amazon.

Q.What if I have issues with the calculators?

A.Each calculator is tested before shipping, but if you have any concerns, feel free to contact the seller through Amazon.

Q.Is the solar power reliable?

A.The solar power works best in bright light, such as outdoors in the sun or under a bright LED desk lamp. A battery is included for continuous and accurate usage when solar power is insufficient.

Q.Is the solar power reliable?

A.The solar power works best in bright light, such as outdoors in the sun or under a bright LED desk lamp. A battery is included for continuous and accurate usage when solar power is insufficient.

Q.Are the buttons easy to press?

A.The buttons are raised, making them easier to press, especially for smaller fingers.

Q.Are the buttons easy to press?

A.The buttons are raised, making them easier to press, especially for smaller fingers.

Q.What kind of battery does it use?

A.It uses a single, common AA battery, which is included.

Q.What kind of battery does it use?

A.It uses a single, common AA battery, which is included.

Q.Are these calculators durable?

A.Staff confirmation indicates that while they are affordable, the plastic case may be somewhat fragile. One staff member noted the case cracked in their backpack, while another mentioned the battery cover not staying on, but the calculators still functioned.

Q.Are these calculators durable?

Q.Are these calculators a good value?

A.Most staff confirmation indicates these calculators are a good value and work well for basic calculations. However, some staff confirmation mentioned quality control issues, such as calculators miscalculating or failing shortly after purchase.

Q.Are these calculators a good value?

SHOPSTAFF Rating Ranking

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Digit Displayed	8 digits	Power Source	Battery
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Memory Function	Yes	Tax Calculation	No
Percentage Calculation	No

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Memory Function	No	Tax Calculation	No
Percentage Calculation	Yes

Tax Calculation FunctionMemory FunctionSquare Root Calculation FunctionPercentage Calculation FunctionSign Change FunctionDecimal Place Setting Function

4.4Overall Rating

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4.7Cost Performance

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Digit Displayed	12 digits	Power Source	Battery Powered, Solar Powered
Display Type	LCD	Key Type	ABS material durable plastic
Dimensions	- mm	Weight	- g
Memory Function	Yes	Tax Calculation	No
Percentage Calculation	Yes

Tax Calculation FunctionMemory FunctionSquare Root Calculation FunctionPercentage Calculation FunctionSign Change FunctionDecimal Place Setting Function

4.3Overall Rating

4.5Display Size and Readability

4.3Key Size and Tactile Feedback

4.0Basic Functionality and Features

4.7Power Source and Battery Life

4.2Durability and Build Quality

4.4Size and Portability

4.0Manufacturer Reliability and Warranty

4.5Cost Performance

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Dimensions	- mm	Weight	- g
Memory Function	-	Tax Calculation	-
Percentage Calculation	-

Tax Calculation FunctionMemory FunctionSquare Root Calculation FunctionPercentage Calculation FunctionSign Change FunctionDecimal Place Setting Function

4.3Overall Rating

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4.3Key Size and Tactile Feedback

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4.7Power Source and Battery Life

4.2Durability and Build Quality

4.8Size and Portability

3.5Manufacturer Reliability and Warranty

4.5Cost Performance

View Details Buy on Amazon Report Content Error

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Dimensions	- mm	Weight	- g
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Percentage Calculation	Percent

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4.3Overall Rating

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4.0Key Size and Tactile Feedback

4.0Basic Functionality and Features

4.5Power Source and Battery Life

4.0Durability and Build Quality

4.8Size and Portability

4.5Manufacturer Reliability and Warranty

4.7Cost Performance

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BESTWYA Calculator Small, 4 Function Calculators with Solar Power 8 Digit Small Pocket Size Desktop Handheld for Classroom Desktop Home

Product Overview

Product Images

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For