
Introduction
In 2025, the demand for high-quality calculators in Bangladesh continues to rise, driven by advancements in technology and the growing needs of students, professionals, and businesses. Calculators are no longer just simple devices for basic arithmetic; they now come equipped with cutting-edge features tailored to different purposes, whether for academic, engineering, scientific, or financial tasks. From classrooms to corporate offices, calculators play a vital role in simplifying complex computations, enhancing productivity, and ensuring accuracy. Bangladesh has witnessed a surge in the availability of premium calculators, offering various functionalities to meet the diverse requirements of users. Whether it’s a student preparing for board exams, an engineer solving intricate equations, or a business analyst calculating financial projections, a reliable and efficient calculator is an indispensable tool. Renowned brands like Casio, Sharp, and Texas Instruments have firmly established themselves as top players in the market, consistently delivering performance, durability, and innovation.
In this blog, we will delve into the top three calculators that are making waves in Bangladesh in 2025. These devices have been carefully selected based on their popularity, features, user feedback, and value for money. By the end of this article, you’ll have a clear understanding of why these calculators stand out and which one might be the perfect fit for your specific needs. So, let’s explore the top contenders that are setting benchmarks in the world of calculators this year.
Factors to Consider Before Buying a Calculator
1. Purpose and Functionality
When buying a calculator, it is crucial to determine its intended purpose and the functionalities it offers. Calculators come in various types, such as basic, scientific, financial, and graphing calculators, each designed to meet specific needs. For instance, students in high school or university might require a scientific calculator to handle trigonometry, calculus, or physics equations, whereas professionals in finance might need a calculator with features like amortization and interest rate calculations. Graphing calculators, on the other hand, are essential for advanced mathematics and engineering tasks as they can plot graphs and solve equations visually.
Before making a purchase, assess your needs and ensure the calculator’s features align with them. A basic calculator is sufficient for everyday arithmetic, but if you’re dealing with complex calculations, opt for a more advanced model. Additionally, consider the ease of use and whether the calculator’s interface is intuitive. Investing in a calculator with the right functionality will save time and effort while boosting your efficiency.
2. Build Quality and Durability
The build quality and durability of a calculator are vital factors to consider, especially for students and professionals who use them regularly. A well-built calculator ensures longevity and reliable performance, even with frequent use. Look for models made from high-quality materials that can withstand wear and tear. Durable keys, a sturdy casing, and a robust display are essential features that contribute to the calculator’s overall lifespan.
Portability is another aspect to consider in terms of build quality. If you need a calculator for on-the-go use, opt for a compact and lightweight design that fits easily in your bag or pocket. Additionally, check whether the calculator is resistant to accidental drops or spills, as this can save you from unexpected repair or replacement costs. By investing in a durable calculator, you can ensure consistent performance for years to come.
3. Power Source and Battery Life
The power source and battery life of a calculator are critical considerations that can impact its usability. Calculators typically operate on batteries, solar power, or a combination of both. Solar-powered calculators are an eco-friendly and cost-effective option, as they rely on natural light to function and often come with a backup battery for use in low-light conditions. Battery-operated calculators, while more common, require regular battery replacements, so it’s essential to consider the frequency and availability of replacements.
For professionals and students who use calculators extensively, battery life is a significant factor. Choose a model with long-lasting batteries or efficient solar charging to avoid interruptions during important tasks. Some advanced calculators also feature rechargeable batteries, which can be convenient and environmentally friendly. By evaluating the power source and battery life, you can select a calculator that best suits your usage patterns and ensures uninterrupted operation.
4. Display and Screen Size
The display and screen size of a calculator play a significant role in its usability and convenience. A larger screen with high resolution ensures that numbers, symbols, and functions are easily visible, reducing the likelihood of errors during calculations. Advanced calculators often feature multi-line displays, which are especially useful for solving complex equations and reviewing previous steps. Backlit screens are another feature to consider, as they enhance visibility in low-light conditions.
For graphing calculators, a detailed and clear display is essential for viewing graphs and charts. Color displays, though less common, can further improve the user experience by making data visualization more intuitive. Evaluate the screen quality and ensure it aligns with your specific needs, whether for academic, professional, or personal use. A good display enhances both functionality and comfort during prolonged usage.
5. User Interface and Navigation
An intuitive user interface and straightforward navigation are key factors to consider when choosing a calculator. A well-designed interface allows users to access functions quickly and perform calculations efficiently. Look for calculators with clearly labeled buttons, ergonomic layouts, and responsive keys. For advanced models, menus and shortcuts should be easy to understand, even for first-time users.
Touchscreen calculators are gaining popularity for their modern and user-friendly design. They often feature customizable interfaces, allowing users to tailor the device to their preferences. Whether you prefer a traditional keypad or a touchscreen, ensure that the calculator’s interface aligns with your comfort level and enhances productivity. Testing the device before purchase can help you determine its ease of use and navigation.
6. Brand Reputation and Support
The reputation of the brand and the availability of customer support are important considerations when purchasing a calculator. Established brands like Casio, Texas Instruments, and Sharp are known for their reliable products and innovative features. These brands often provide detailed user manuals, online tutorials, and dedicated customer support to assist users with any issues.
Check for warranty options and after-sales service before making a purchase. A good warranty policy ensures that your investment is protected in case of manufacturing defects or technical problems. Additionally, consider the availability of replacement parts and accessories for the calculator, such as batteries or protective covers. Choosing a trusted brand with excellent customer support can provide peace of mind and long-term satisfaction.
7. Price and Value for Money
Finally, the price of the calculator and its overall value for money are critical factors to consider. Calculators come in a wide price range, from affordable basic models to high-end graphing calculators. Determine your budget and prioritize features that are essential for your needs. While it may be tempting to choose the cheapest option, investing in a high-quality calculator with the necessary functionalities often proves more cost-effective in the long run.
Compare different models within your price range and read user reviews to gauge their performance and durability. Discounts, seasonal sales, or bundle offers can also help you get the best value for your money. By striking the right balance between cost and functionality, you can find a calculator that meets your requirements without exceeding your budget.
Top 3 Calculators in Bangladesh 2025
1. Casio FX-570MS-2 2nd Edition Non-Programmable Scientific Calculator

The Casio FX-570MS-2 2nd Edition stands out as one of the top calculators in Bangladesh in 2025. Renowned for its reliability and functionality, this scientific calculator is perfect for students and professionals alike. With a 12-digit (10+2) Dot Matrix Display and 401 functions, it is designed to handle a wide range of mathematical and scientific calculations effortlessly.
Key Features:
- Display: Dot Matrix Display with 12 digits (10+2)
- Functions: 401 functions, including trigonometric, statistical, and algebraic calculations
- Power Source: Operates on 1 x AAA battery
- Build: Durable plastic keys and a compact design
- Warranty: 3 years (with warranty card and box)
Lightweight at just 105 grams and measuring 161.5 x 77 x 13.8mm, the Casio FX-570MS-2 offers portability without compromising on performance. Its robust build and wide array of features make it a reliable choice for academics and professionals looking for accuracy and efficiency.
2. Casio FX-100MS Scientific Calculator

The Casio FX-100MS is another top-tier calculator that combines performance and versatility. Its 2-line display and 300 built-in functions make it an excellent choice for students tackling complex calculations, from fractions to integrations.
Key Features:
- Functions: 300 functions, including fraction and integration calculations, base-N calculations, and combination/permutation
- Display: 2-line display for clear and precise calculations
- Build: Durable plastic keys for long-lasting use
This calculator’s ability to handle a variety of advanced mathematical tasks makes it ideal for university students and professionals in engineering and finance. With its intuitive design and dependable features, the Casio FX-100MS remains a favorite in Bangladesh.
3. Casio FX-991CW Non-Programmable Standard Scientific Calculator

The Casio FX-991CW takes the third spot as one of the most advanced calculators available in 2025. Packed with 540 functions, this scientific calculator is designed to meet the needs of students, engineers, and professionals who require precise and advanced computation capabilities.
Key Features:
- Functions: 540 functions, including natural textbook display and spreadsheet app
- Display: Dot Matrix Display (10+2 digits)
- Power Source: Dual power (solar and battery)
- Special Features: Spreadsheet app with up to 45 rows and 5 columns, memory variables, and auto power-off
- Build: Lightweight (95 grams) with a slim design (162 x 77 x 10.7mm)
The FX-991CW offers cutting-edge features like a natural textbook display for easy understanding and a spreadsheet app for basic data analysis. Its compact and durable design, combined with its powerful capabilities, makes it a go-to choice for students and professionals looking for a modern and efficient calculator.
Benefits of These Calculators
Casio FX-570MS-2 2nd Edition Non-Programmable Scientific Calculator
- Wide Functionality: 401 versatile functions make it perfect for academic and professional use.
- Portability: Lightweight design ensures easy carrying for students and professionals.
- Durable Build: Sturdy plastic keys and casing guarantee long-term usage.
- User-Friendly: Intuitive interface simplifies complex calculations.
- Warranty Protection: Backed by a 3-year warranty for peace of mind.
Casio FX-100MS Scientific Calculator
- Versatile Applications: Ideal for solving fractions, integrations, and combinations with ease.
- Clear Visibility: 2-line display enhances readability for accurate calculations.
- Durability: Robust design ensures it withstands daily wear and tear.
- Cost-Effective: Excellent value for students needing advanced functionality at an affordable price.
Casio FX-991CW Non-Programmable Standard Scientific Calculator
- Advanced Features: Packed with 540 functions, including spreadsheet capabilities for data management.
- Dual Power: Solar and battery power ensure uninterrupted operation in all lighting conditions.
- Natural Display: Textbook-style display makes equations easier to understand.
- Eco-Friendly Design: Low power consumption supports sustainable use.
- Lightweight and Compact: Slim design makes it highly portable for on-the-go professionals and students.
FAQ
1. Which calculator is best for engineering students?
The Casio FX-991CW is ideal for engineering students due to its advanced functions, including spreadsheet capabilities, and natural textbook display for solving complex equations.
2. Are these calculators suitable for board exams?
Yes, the Casio FX-570MS-2 and Casio FX-100MS are widely used in board exams as they are non-programmable and adhere to exam regulations.
3. Do these calculators come with a warranty?
All three models come with a 3-year warranty, ensuring reliability and support for any manufacturing defects (warranty claim requires a valid warranty card and box).
4. Can I use the Casio FX-991CW for financial calculations?
While the FX-991CW is not specifically designed for financial calculations, its spreadsheet functionality and advanced features can assist with basic financial computations.
5. What is the power source for these calculators?
The Casio FX-570MS-2 and Casio FX-100MS use batteries, while the Casio FX-991CW features dual power (solar and battery) for extended usability.
Why You Should Buy These 3 Calculators from Onix BD
Onix BD offers a variety of high-quality calculators that cater to different needs, whether for basic arithmetic, advanced scientific calculations, or statistical analysis. For example, the Casio FX-100MS is a durable and reliable scientific calculator, featuring a two-line display and 100 built-in functions that support complex mathematical operations. Another popular choice is the Casio FX-570MS-2, which offers a 12-digit dot matrix display and 401 functions, making it perfect for those who require precision and advanced features like fraction calculations and statistical analysis. If you're looking for versatility, the Casio FX-991ES Plus II is an excellent option, supporting both solar and battery power while providing a wide range of functions such as table functions and 9-variable support.
Purchasing calculators from Onix BD comes with several benefits. First, they offer competitive pricing, ensuring that customers get great value for their money. Many of their products also come with a warranty, providing peace of mind and ensuring reliability. Additionally, Onix BD provides excellent customer support, with after-sales services to address any issues you may encounter. Their online ordering system, along with options for in-store pickup, makes the shopping process convenient and hassle-free. Whether you're a student, professional, or anyone in need of a calculator, Onix BD provides a reliable and affordable option for all your calculating needs.
Leave a Comment