UNIONE Two Line Display, Desktop Calculator TL-250
Rating
Product Overview
The UNIONE TL-250 is a desktop calculator featuring a two-line display and a history function that stores approximately 30 memories. It's designed for home and office use, with a large LCD screen for easy viewing. The calculator is powered by both solar energy and a AAA battery, offering dual power options. It includes standard functions suitable for business calculations. The history function allows users to retrieve and correct previous calculations, enhancing efficiency and accuracy. Its size is 4.5×7 inches, and it weighs 153g.
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 have a dedicated tax calculation function. Users will need to manually calculate tax using the standard arithmetic functions, which may be less convenient for quick 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.
The calculator includes a memory function, allowing users to store and recall numerical values for use in subsequent calculations. This simplifies complex calculations that involve reusing the same numbers repeatedly.
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 include a square root calculation function. Users needing to calculate square roots will need to use external tools or manual methods, which may be inconvenient for some users.
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.
The calculator includes a percentage calculation function, which simplifies calculating discounts, profit margins, and other percentage-related tasks. This function enhances its utility for shopping and basic financial analysis.
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 function is useful for various mathematical tasks.
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 calculator displays results with a fixed number of decimal places, which may not be ideal for users who need precise control over decimal precision.
SHOPSTAFF Rating Score
This calculator offers a two-line display and history function, which are uncommon at this price point. However, the build quality and long-term durability are questionable due to the brand's limited reputation. It's suitable for basic calculations but may not withstand heavy use.
Brand & Manufacturer Details
Key Highlights
- Two-line display
- History function
- Affordable price
Considerations
- Avoid excessive force on keys
- Limited warranty
- Potential for button failure
Recommended For
- Students
- Home users
- Users needing basic calculations
Not Recommended For
- Accountants
- Engineers
- Users requiring advanced functions
Suitable For
- Home
- School
- Basic office tasks
Not Suitable For
- Complex financial analysis
- Scientific research
- Heavy-duty office use
Frequently Asked Questions (FAQ)
Q.I'm looking for a calculator that can show multiple lines of calculation. Does this calculator have that feature?
Q.I need a calculator for my work that involves frequent calculations with parentheses. Will this calculator be suitable?
Q.Can I correct mistakes easily if I mistype a number?
Q.I sometimes need to refer to previous calculations. Can this calculator help with that?
Q.Is the display easy to read, especially for someone with vision issues?
Q.How is the button responsiveness? I don't want to have to press too hard for the calculator to register the input.
Q.Does this calculator have a percentage button, and how does it work?
Q.I need a calculator that displays all the numbers when added, similar to a printing calculator. Does this one do that?
Q.Will this calculator work in a low-light environment?
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 |
