Casio FX-991MS-2 2nd Edition Non-Programmable Scientific Calculator
Original price was: 2,450.00৳ .2,190.00৳ Current price is: 2,190.00৳ .
Casio FX-991MS-2 2nd Edition is a 12-digit, non-programmable scientific calculator featuring 401 functions, 10+2 digit display, S-V.P.A.M. 2-line display, multi-replay, fraction calculations, statistics, equation solving, matrix, vector, complex number, integration, differentiation, Base-n and scientific constants. It supports solar and battery power and comes with a slide-on hard case. Ideal for students, teachers, engineers and professionals. 3 Years Warranty.
93 in stock
Specifications
Casio FX-991MS-2 2nd Edition Specifications
| Brand | CASIO |
| Model | FX-991MS-2 |
| Edition | 2nd Edition |
| Part No. | C77B / C77 |
| Calculator Type | Non-Programmable Scientific Calculator |
| Number of Functions | 401 Functions |
| Digit Display | 10 + 2 Digits |
| Display Type | Dot Matrix Display |
| Display System | S-V.P.A.M. / 2-Line Display |
| Power Source | Solar & Battery |
| Battery Type | 1 × LR44 |
| Memory | 9 Variable Memories |
| Fraction Calculation | Yes |
| Statistics | STAT Data Editor, Standard Deviation, Regression |
| Equation Calculation | Yes |
| Integration | Yes |
| Differentiation | Yes |
| Complex Number Calculation | Yes |
| Matrix Calculation | Yes |
| Vector Calculation | Yes |
| Base-n Calculation | Binary / Octal / Decimal / Hexadecimal |
| Scientific Constants | Yes |
| Metric Conversion | Yes |
| Multi-Replay | Yes |
| Case | Slide-on Hard Case |
| Key Type | Plastic Keys |
| Body Material | Plastic |
| Color | Black |
| Dimensions | 161.5 × 77 × 11.1 mm |
| Weight | Approximately 95 g |
| Country of Origin | Japan |
| Assembly | China / Thailand / Philippines (May Vary by Shipment) |
| Warranty | 3 Years Warranty |
Main Functions
- Fraction Calculations
- Combination & Permutation
- Statistics & Regression
- Equation Calculations
- Integration & Differentiation
- Complex Number Calculations
- Matrix & Vector Calculations
- Base-n Calculations
- Scientific Constants
- Metric Conversion
- Multi-Replay Function
- S-V.P.A.M. Display
Description
Casio FX-991MS-2 2nd Edition Scientific Calculator
Casio FX-991MS Calculator is a versatile non-programmable scientific calculator designed for students, teachers, engineering students, science students, mathematics learners and professionals who need reliable tools for everyday and advanced mathematical calculations. With 401 functions, a clear 10+2 digit display and a practical two-line S-V.P.A.M. display system, this calculator makes complex calculations easier to enter, review and solve.

For students in Bangladesh, choosing the right scientific calculator can make a significant difference during mathematics, physics, chemistry and engineering-related calculations. The Casio FX-991MS-2 provides a wide range of mathematical functions while maintaining a straightforward keypad layout that is suitable for regular academic use.
Its combination of advanced functions, dual power operation, durable body design and slide-on hard case makes Casio FX-991MS-2 a practical option for school, college, university and professional use.
401 Functions for Advanced Calculations
One of the major advantages of the Casio FX-991MS-2 is its extensive collection of 401 functions. Instead of using separate tools for different types of calculations, users can perform many mathematical operations from a single calculator.
The available functions include basic arithmetic as well as more advanced mathematical operations such as trigonometric calculations, logarithmic and exponential calculations, statistics, fractions, equations, complex numbers, matrices, vectors and more.
This wide range of functions makes the Casio FX-991MS-2 suitable for students who regularly work with different mathematical subjects.
Whether you are solving a simple percentage problem or working on a more advanced scientific calculation, the calculator provides dedicated functions that can help reduce manual calculation and improve convenience.
10+2 Digit Display
Casio FX-991MS-2 features a 10+2 digit display, meaning it can display a 10-digit mantissa along with a 2-digit exponent.
The display is designed to make numerical information easy to read during calculations. Its dot matrix display provides a clear viewing experience, while the two-line layout allows users to review the expression and result more conveniently.
For students, this can be particularly useful when checking formulas or correcting an entry before continuing with a calculation.
S-V.P.A.M. Two-Line Display
The calculator uses S-V.P.A.M. (Super Visually Perfect Algebraic Method) technology. This system is designed to provide a more natural way of entering mathematical expressions.
Instead of requiring users to enter every calculation in a complicated sequence, the display format helps make mathematical expressions easier to understand.
The two-line display also allows users to view the entered expression and the result, which can be useful when checking calculations.
For students learning mathematics, being able to see the calculation clearly can help reduce input mistakes and make the overall calculation process more comfortable.

Multi-Replay Function
Another useful feature of the Casio FX-991MS-2 is its multi-replay function.
If you make a mistake while entering a calculation, you can recall previously entered formulas and make corrections without having to type the entire calculation again.
This feature can save time during long calculations, especially when working through mathematical problems that require multiple steps.
For examination preparation and regular practice, the replay function can also make repeated calculations more convenient.
Fraction Calculations
Casio FX-991MS-2 supports fraction calculations, making it useful for mathematics and science-related problems where fractions are frequently used.
Users can work with fractions and convert between fraction and decimal formats when required.
This can be particularly useful for students studying algebra, trigonometry, geometry, statistics and other mathematical subjects.
Combination and Permutation
For probability and mathematical calculations, the calculator provides combination and permutation functions.
These functions are useful when solving problems involving arrangements, selections and probability.
Students studying higher-level mathematics can use these functions to perform calculations more efficiently instead of calculating the values manually.
Statistics and Data Calculations
Casio FX-991MS-2 includes statistical calculation features such as a STAT data editor, standard deviation and regression analysis.
These functions can be useful for students studying statistics, mathematics, physics, engineering and other subjects where numerical data analysis is required.
The calculator allows users to enter statistical data and perform calculations more efficiently.
Equation Calculations
Equation solving is another important feature available on the Casio FX-991MS-2.
Students working with mathematical equations can use the appropriate equation functions to make calculations easier.
This can be especially useful for students studying algebra and higher-level mathematics where equation-based problems are common.
Integration and Differentiation
The calculator also supports integration and differentiation calculations, making it useful for advanced mathematics and calculus-related coursework.
Students in higher education and engineering-related fields often need to perform differentiation and integration calculations. Having these functions available in a compact scientific calculator can make study sessions and calculation work more convenient.
Complex Number Calculations
Casio FX-991MS-2 includes functions for working with complex numbers.
Complex number calculations are commonly encountered in advanced mathematics, engineering and physics.
Instead of manually calculating every part of a complex-number problem, users can use the dedicated calculator functions to perform calculations more conveniently.
Matrix and Vector Calculations
For students and professionals working with advanced mathematical concepts, the Casio FX-991MS-2 provides matrix and vector calculation capabilities.
Matrix operations can be useful in mathematics and engineering, while vector calculations are frequently used in physics, mathematics and engineering-related subjects.
These advanced functions make the calculator more versatile than a basic scientific calculator.
Base-n Calculations and Conversions
Casio fx-991MS also supports Base-n calculations and conversions.
Users can work with number systems such as:
- Binary
- Octal
- Decimal
- Hexadecimal
These functions can be useful for students studying computer-related subjects, digital logic and number systems.
Scientific Constants
The calculator includes a collection of scientific constants that can help users perform calculations involving commonly used scientific values.
Having built-in scientific constants can save time and reduce the need to manually enter frequently used values.
For students studying physics and science-related subjects, this feature can be particularly convenient.
Metric Conversion
Casio FX-991MS-2 also supports metric conversion functions.
This allows users to convert numerical values between supported measurement units without manually calculating the conversion.
Metric conversion can be useful in science, mathematics, engineering and everyday calculation tasks.
Solar and Battery Power
Casio fx-991MS uses a dual-power system with solar and battery power.
When sufficient light is available, the calculator can use solar power. When lighting conditions are insufficient, the battery provides additional power.
This dual-power design is convenient for students who use their calculator in different environments, including classrooms, examination halls, libraries and homes.
The specified battery type is LR44.
Durable and Practical Design
The calculator features a plastic body with plastic keys designed for regular use.
According to the provided product information, the MS series design emphasizes durability, including a drop-resistant body and water-resistant key printing.
The calculator is also supplied with a slide-on hard case, helping protect the front and keypad when it is being carried in a school bag, university bag or office bag.
A protective case can be particularly useful for students who carry their scientific calculator regularly.
Comfortable Key Layout
Casio FX-991MS-2 is designed with frequently used number keys and clearly printed function labels.
The easy-to-read key arrangement can help users quickly locate commonly used mathematical functions.
For students who use a scientific calculator regularly, an organized keypad can make repeated calculations faster and more comfortable.
Who Should Buy Casio FX-991MS-2?
Casio FX-991MS-2 is suitable for a wide range of users.
Students
Students studying mathematics, science, physics and chemistry can benefit from its wide range of calculation functions.
Engineering Students
Engineering students often need functions such as complex numbers, matrices, vectors, statistics, integration and differentiation. The calculator provides many of these advanced calculation options in one device.
University Students
University-level mathematics and science courses frequently require more advanced calculations than a basic calculator can provide. The Casio FX-991MS-2 can be a practical option for those situations.
Teachers and Tutors
Teachers and private tutors can use the calculator for preparing mathematical examples, checking solutions and demonstrating calculations.
Professionals
Professionals who need a compact scientific calculator for occasional technical or mathematical calculations can also benefit from its wide functionality.
Why Choose Casio FX-991MS-2 from Borobaazar.com?
At Borobaazar.com, the Casio FX-991MS 2nd Edition scientific calculator is listed for customers looking for a reliable scientific calculator in Bangladesh.
The product is suitable for students, teachers, university learners, engineering students and professionals who need more functionality than a standard calculator.
Before placing an order, customers should check the current product price, stock availability, warranty terms and delivery information shown on the product page.
Borobaazar.com provides online shopping facilities for customers across Bangladesh, making it convenient to order scientific calculators from home.
Casio FX-991MS 2nd Edition Price in Bangladesh
The price of the Casio FX-991MS 2nd Edition may change depending on stock availability, market conditions, offers and other factors.
For the latest Casio fx-991MS 2nd Edition price in Bangladesh, customers should check the current price displayed on the Borobaazar.com product page.
If there is a promotional offer available, the discounted price will be shown on the product page during the offer period.
Order Casio FX-991MS-2 Online in Bangladesh
Looking for a Casio FX-991MS-2 Scientific Calculator for school, college, university, engineering or professional use?
You can order the Casio FX-991MS-2 2nd Edition online from Borobaazar.com. Before ordering, check the current price, available stock, delivery information and warranty details.
With its 401 functions, 10+2 digit display, S-V.P.A.M. system, multi-replay, fraction calculation, statistics, equation, matrix, vector, complex number, integration, differentiation, Base-n and scientific constant functions, this scientific calculator is designed to handle a wide variety of mathematical and scientific calculations.
For students who need a versatile calculator for everyday academic work, the Casio FX-991MS-2 can be a useful addition to their study essentials.
11. Key Features — Quick SEO Section
- Model: FX-991MS-2
- Edition: 2nd Edition
- Functions: 401
- Type: Non-Programmable Scientific Calculator
- Display: 10+2 Digits
- Display Type: Dot Matrix Display
- Display System: S-V.P.A.M.
- Power: Solar & Battery
- Battery: 1 × LR44
- Memory: 9 Variable Memories
- Fraction Calculation: Yes
- Statistics: Yes
- Regression: Yes
- Equation Calculation: Yes
- Integration: Yes
- Differentiation: Yes
- Complex Number: Yes
- Matrix: Yes
- Vector: Yes
- Base-n: Yes
- Scientific Constants: Yes
- Metric Conversion: Yes
- Multi-Replay: Yes
- Hard Case: Slide-on Hard Case
- Color: Black
- Material: Plastic
- Weight: Approximately 95g
- Dimensions: 161.5 × 77 × 11.1 mm
- Warranty: 3 Years
- Country of Origin: Japan
- Assembly: China/Thailand/Philippines may vary by shipment
Additional information
| Weight | 0.200 g |
|---|---|
| Dimensions | 160 × 77 × 13 cm |













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