
DANRONG Mechanical Switch Calculator with Big Buttons
Rating
Product Overview
The DANRONG Mechanical Switch Calculator features mechanical switch buttons for a fast and precise response, similar to a mechanical keyboard. It has a large 12-digit, 4-inch LCD display with a 15° tilt for optimal visibility. Powered by solar and one AAA battery, it automatically shuts off after 10 minutes of inactivity. The calculator has a typewriter-style design with retro rounded keys and is made of durable ABS material. It's suitable for schools, offices, homes, and stores.
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 function is useful for quickly calculating the total price including tax when shopping or managing finances, but it is not available on this model.
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.
This calculator does not feature a memory function for storing and recalling numerical values. The memory function is useful for storing intermediate calculation results or frequently used numbers, simplifying complex calculations that involve reusing the same numbers repeatedly, but it is not available on this model.
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.
This calculator does not have a square root calculation function. The square root function is useful for calculations in DIY projects or schoolwork where square roots are required, eliminating the need to manually calculate square roots or use external tools, but it is not available on this model.
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.
This calculator does not include a percentage calculation function. The percentage calculation function is useful for easily calculating percentages such as discounts or profit margins when shopping or analyzing sales data, avoiding the need for complex manual calculations, but it is not available on this model.
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.
This calculator does not have a sign change function. The sign change function is useful for quickly switching the sign of a number from positive to negative or vice versa, simplifying correcting entry errors or performing calculations with both positive and negative numbers, but it is not available on this model.
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.
This calculator does not offer a decimal place setting function. The decimal place setting function allows you to specify the number of decimal places displayed in the calculation result, which is useful when you want to avoid displaying unnecessary digits, but it is not available on this model.
SHOPSTAFF Rating Score
This calculator offers a unique mechanical switch experience at a budget price. While it lacks advanced functions, its distinctive design and tactile feedback make it suitable for basic calculations in a fun way. Durability might be a concern with long-term use.
Brand & Manufacturer Details
Key Highlights
- Mechanical switch keys
- Large LCD display
- Affordable price
Considerations
- Battery not included
- Avoid dropping to prevent damage to mechanical switches
- Not suitable for complex calculations
Recommended For
- Students
- Home users
- Those who appreciate retro designs
Not Recommended For
- Engineers
- Accountants
- none in particular
Suitable For
- School
- Home
- Basic office tasks
Not Suitable For
- Complex engineering calculations
- Advanced financial analysis
- Scientific research
Frequently Asked Questions (FAQ)
Q.I'm hesitant to buy this calculator because I'm not sure if the keys are easy to press. Are the buttons comfortable to use?
Q.I'm worried about the display being too small or difficult to read. Is the screen clear and easy to see?
Q.I'm not sure if this calculator is durable enough for everyday use. Is it made of sturdy material?
Q.I need a calculator that can be used in different lighting conditions. Does it work well with both solar and battery power?
Q.I'm looking for a calculator that is both functional and aesthetically pleasing. Is this calculator visually appealing?
Q.I saw one staff confirmation mentioning the product arrived damaged. Is this a common issue?
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 |