HSC 2025 examinations have already started, yet one common question arises among students, parents, and educators: Which calculator models are permitted in the exam hall? To maintain fairness and consistency across all exam centers, the Bangladesh Education Board has officially released a list of approved scientific calculators. These models are non-programmable, meaning they are safe to use in the exam hall without giving any unfair advantage. In this article, we will explore each of the HSC approved calculator models for 2025 in detail, discussing their key features, technical specifications, and recommendations based on academic needs.
The Official List of Approved Calculators for HSC 2025
For the 2025 session, the Education Board has approved eight specific calculator models. All of them are manufactured by Casio, a trusted brand in educational tools. Here are the eight Casio calculator models officially allowed in the HSC 2025 exam hall:
- Casio FX-82MS
- Casio FX-100MS
- Casio FX-570MS
- Casio FX-991MS
- Casio FX-991EX
- Casio FX-991ES
- Casio FX-991ES Plus
- Casio FX-991CW
These calculators are permitted because they are scientific and non-programmable, making them suitable for the academic requirements of HSC students while ensuring exam integrity.
Casio FX-82MS – A Basic Scientific Calculator for Everyday Use
The Casio FX-82MS is one of the most commonly used models among students in Bangladesh. This calculator offers around 240 functions, including essential operations such as trigonometric calculations, logarithms, roots, fractions, and statistics. It has a 2-line display that shows both the expression and the result, helping students verify their inputs. Powered by a standard battery, the FX-82MS is reliable, lightweight, and easy to operate. It is a perfect choice for students in the science and commerce groups who need a calculator that covers the basics without extra complexity.
Casio FX-100MS – Balanced Functionality for Intermediate Users
A step up from the FX-82MS, the Casio FX-100MS is designed for students who require a broader range of functions. This scientific calculator supports about 244 scientific operations and includes features like complex number calculations, coordinate conversions, and regression analysis. It retains the standard 2-line dot matrix display, allowing users to view the entire equation along with the result. The FX-100MS runs on AA batteries and offers long-lasting power for extended exam sessions. This calculator is ideal for students dealing with additional mathematics, physics, and other science-heavy subjects.
Casio FX-570MS – More Power, Same Compliance
The Casio FX-570MS is a significant upgrade in terms of function range, offering around 401 scientific operations. This calculator model includes equation solving, base-n conversions, standard deviation, statistical regression, and more. Like other models on the approved list, it has a two-line display and supports solar plus battery power for uninterrupted use during long exams. It’s particularly well-suited for students dealing with additional math, higher-level chemistry, and physics problems. This scientific calculator stands out for its speed and precision while remaining within board guidelines.
Casio FX-991MS – The Classic All-Rounder
The FX-991MS is a classic model that has been a staple for HSC and university students in Bangladesh for years. This calculator supports over 400 functions and features a 2-line display with solar and battery power options. It includes tools for solving equations, working with matrices and complex numbers, and performing base-n calculations. The FX-991MS is widely praised for its durability and efficient performance, making it a trusted companion for students in the science stream who require a versatile and reliable calculator.
Casio FX-991EX – Modern, Fast, and Student-Friendly
The FX-991EX is part of Casio’s ClassWiz series and brings a modern interface to scientific calculators. It features a high-resolution Natural Textbook Display, which allows equations to be displayed as they appear in textbooks. With over 550 functions, it supports everything from statistical analysis and matrix operations to table generation and QR code-based graphing (offline). Its solar-powered system with battery backup ensures reliability, while the sleek interface and intuitive navigation make it user-friendly. This calculator is perfect for students who prefer visual clarity and faster performance in complex calculations.
Casio FX-991ES – Clear Display with Functional Depth
The FX-991ES offers a simplified version of the ClassWiz series with a focus on textbook-style equation entry. This scientific calculator supports over 400 functions, including calculus, algebra, statistics, and basic matrix operations. The display mimics traditional mathematical layouts, making it easier for students to follow steps and reduce errors. It is solar-powered with battery support, ensuring energy efficiency. This calculator from Casio is a great fit for students who want essential scientific functions without the more advanced features found in the EX or CW models.
Casio FX-991ES Plus – Enhanced Performance and Speed
An upgrade to the FX-991ES, the FX-991ES Plus offers improved memory, processing speed, and accuracy. This calculator model includes approximately 417 functions and handles complex equations, statistical data, and matrix operations more efficiently. The natural textbook display remains a core feature, making it easier to understand step-by-step problem solving. Its dual power source and enhanced build quality make buying this calculator a smart investment for students across all major streams, especially those who need both speed and functionality.
Casio FX-991CW – The Most Advanced Calculator Allowed in HSC 2025
The FX-991CW is the newest and most advanced model on the HSC-approved list. As part of the ClassWiz CW series, it features a high-contrast, 4-tone LCD display with an icon-based menu system that enhances usability. With more than 540 scientific functions, this calculator includes everything from calculus and probability to advanced statistics and QR-enabled graphing. It introduces tools like the Math Box for visual learning and an improved key layout that mimics a smartphone-like experience. The FX-991CW runs on solar power with a battery backup and is the perfect choice for students who want the most modern, feature-rich calculator that is still compliant with board regulations.
Why Are Only These Calculators Approved?
The Bangladesh Education Board strictly mandates that all scientific calculators used in public examinations must be non-programmable. This ensures that no student has access to stored data, formulas, or programs that could provide an unfair advantage. The approved calculator models strike the perfect balance between functionality and exam safety. They are advanced enough to handle complex HSC-level mathematics, yet simple enough to remain compliant with exam policies.
Where to Buy HSC Approved Calculators in Bangladesh?
The board approved 8 Casio calculator models are widely available across the country throughout all the Star Tech branches and can be purchased from the Star Tech online shop as well. Prices typically range from BDT 1,100 for basic models like the FX-82MS to around ৳2,399 for the more advanced FX-991CW. Visit the nearest Star Tech shop to get the HSC approved calculators at best price in BD. Students are advised to double-check the exact model number before making a purchase, as using an unapproved calculator may lead to disqualification during the exam.
Final Words: Choose the Right Calculator for Your Exam Strategy
Choosing the right scientific calculator is essential for success in HSC 2025. Each model in the approved list is designed to meet specific academic needs, from basic functions for general use to advanced capabilities for science and engineering students. Whether you’re looking for a budget-friendly option or a high-performance calculator with modern features, there is an approved model to suit every HSC candidate at Star Tech in BD. Always verify that your calculator matches one of the eight approved models, and purchase from Star Tech to avoid counterfeit products.
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