YOUHO Solar Battery Dual Power Standard Function Electronic Calculator K837
Rating
Product Overview
The YOUHO K837 is a standard function electronic calculator designed for ease of use with a large LCD display. It features dual power capability, using both solar and battery power. The calculator has a 12-digit display, non-slip washers, and durable silicone buttons. It includes memory functions (M+, M-, MRC, MR, MC), grand total memory (GT), mark-up calculation (MU), and constant calculation functions. The calculator also has an automatic shutdown feature to conserve power. It is suitable for basic math and simple calculations.
Product Images
Product Specifications
Size & Weight
Features
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.
This calculator does not include a dedicated tax calculation function. Users will need to manually calculate tax amounts using the basic arithmetic functions. This may require additional steps and could be less convenient for frequent tax calculations.
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.
Features a memory function for storing and recalling numerical values, making it easier to perform multi-step calculations and reuse frequently used numbers. The inclusion of M+, M-, MRC, MR, and MC functions provides versatile memory management.
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.
It does not have a square root calculation function. Users needing to calculate square roots will need to use external tools or manual methods. This limitation may be significant for those involved in scientific or engineering tasks.
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.
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 streamlines calculations involving percentages, enhancing efficiency.
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.
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 is useful for correcting entry errors or performing calculations with both positive and negative numbers.
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.
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 require precise control over the number of decimal places displayed in their calculations.
SHOPSTAFF Rating Score
This calculator is a basic model suitable for simple calculations. Its dual power feature and large display are useful, but it lacks advanced functions. The build quality is adequate for the price range, but long-term durability may be a concern. It's best suited for light use in home or office environments.
Brand & Manufacturer Details
Key Highlights
- Dual power (solar and battery)
- Large LCD display
- Memory functions
Considerations
- Avoid dropping the calculator
- Keep away from moisture
- Replace battery when needed
Recommended For
- Students
- Home users
- Office workers needing basic calculations
Not Recommended For
- Engineers
- Accountants
- Users requiring advanced functions
Suitable For
- Home
- School
- Basic office tasks
Not Suitable For
- Complex engineering calculations
- Advanced financial analysis
- Scientific research
Frequently Asked Questions (FAQ)
Q.Is this calculator easy to use for basic math?
Q.Does this calculator have an automatic shut-off feature?
Q.Is the calculator durable?
Q.Does the calculator use battery power?
Q.Are the buttons easy to see and use?
Q.What are the dimensions and weight of this calculator?
Q.Is this calculator suitable for office use?
SHOPSTAFF Rating Ranking
Pocket-sized, durable calculator with a clear SuperView display for easy calculations at home, school, or office.
| Digit Displayed | 8 digits | Power Source | Battery |
| Display Type | LCD | Key Type | Rubber |
| Dimensions | 121.1x78.7x2.5 mm | Weight | 81.6 g |
| Memory Function | Yes | Tax Calculation | No |
| Percentage Calculation | No |
Mechanical switch calculator with big buttons, large LCD display, and ergonomic design. Ideal for students and teachers.
| Digit Displayed | 12 digits | Power Source | Battery |
| Display Type | LCD | Key Type | ABS |
| Dimensions | 4.4 x 6.3 x 0.04 inches | Weight | 5.3 ounces |
| Memory Function | No | Tax Calculation | No |
| Percentage Calculation | Yes |
Standard desktop calculator with 12-digit LCD, sensitive buttons, and dual power (solar/battery) for office, home, or school.
| 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 |
Deli Standard Function Basic Calculator with 12-digit LCD, dual power, and comfortable silicone buttons. Stylish and practical.
| Digit Displayed | 12 digits | Power Source | Battery Powered & Solar Powered |
| Display Type | LCD | Key Type | Silicone |
| Dimensions | - mm | Weight | - g |
| Memory Function | - | Tax Calculation | - |
| Percentage Calculation | - |
A compact and lightweight Casio calculator with an 8-digit display, solar and battery power, and basic functions.
| Digit Displayed | 8 digits | Power Source | Battery Powered, Solar Powered |
| Display Type | LCD | Key Type | - |
| Dimensions | - mm | Weight | - g |
| Memory Function | Yes | Tax Calculation | - |
| Percentage Calculation | Percent |
