CASIO fx-991CW Scientific Calculator  (Black)

Casio FX‑991CW Scientific Calculator – Black (Original, 3 Years Warranty)

Buy Online at MasterBookHouse.com | 540 Functions | Dual Power | Natural Textbook Display

Upgrade your academic or professional toolkit with the Casio FX‑991CW, the newest generation of Casio’s advanced scientific calculators. Designed for students, engineers, teachers, and technical professionals, this powerful device delivers 540 functions, faster processing, and an intuitive Natural Textbook Display that shows equations exactly as they appear in books.

Whether you're solving complex equations, handling matrices, exploring calculus, or performing engineering calculations, the FX‑991CW ensures accuracy, speed, and reliability every time.

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Key Features of Casio FX‑991CW

✔ 540 Powerful Functions

From basic arithmetic to advanced engineering functions, this model covers a wide range of calculations including:

• Complex numbers
• Matrix & vector operations
• Base‑n calculations
• Coordinate conversion
• Trigonometric & hyperbolic functions
• Integrals & derivatives
• Prime factorization
• Random number generation
• Scientific constants
• Metric unit conversions
  …and many more.

✔ Natural Textbook Display (NTD)

View fractions, logarithms, roots, exponents, and formulas exactly as printed in textbooks—ideal for learning and quick comprehension.

✔ Dual Power System

Operates with Solar + Battery, ensuring uninterrupted use. Automatically switches to battery in low light for extended operation.

✔ Dedicated Engineering Keys

Built‑in keys for:

• Polar ↔ Rectangular conversions
• Degree / Radian / Grads selection
• Sexagesimal (DMS) calculations
  Perfect for engineering and surveying students.

✔ Durable & Lightweight

Made from high‑quality plastic with a slide‑on hard case, offering both portability and long-lasting protection.

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Why Choose the FX‑991CW from MasterBookHouse.com?

• 100% original Japanese Casio product
• 3-year official warranty included
• Best price for students and engineers
• Fast delivery & reliable service
• Trusted academic supplier

“Approved for SSC & HSC Exams in Bangladesh”

“Officially Approved by All Education Boards”

“Trusted by SSC & HSC Students Nationwide”

“Board-Approved Scientific Calculator for Exams”

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Product Specifications

Feature	Details
Brand	CASIO
Model	FX‑991CW
Color	Black
Display Type	Natural Textbook Display
Digits	10 + 2 digits
Number of Functions	540
Power Type	Dual Power (Solar + Battery)
Material	High‑quality Plastic
Keys	Plastic Keys
Weight	95g
Dimensions	162 × 77 × 10.7 mm
Country of Origin	Japan
Country of Assembly	Thailand
Warranty	3 Years Official Warranty
Other Features	Auto Power Off, Non‑Programmable, Non‑Graphing

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Perfect For:

• School & college students (SSC, HSC, O‑Level, A‑Level)
• University students—Engineering, Science, Accounting
• Teachers & tutors
• Researchers
• Professional engineers

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Why Buy the Casio FX‑991CW from MasterBookHouse.com?

Looking for the best Casio FX‑991CW price in Bangladesh? At MasterBookHouse.com, you are guaranteed the most competitive price along with 100% authentic Casio products and an official 3-year warranty. Every FX‑991CW calculator is carefully inspected before shipping to ensure you receive a genuine, high‑quality ClassWiz model that performs flawlessly for years.

Shop with confidence through our secure payment system, enjoy fast nationwide delivery, and rely on our trusted after‑sales support. As Bangladesh’s most reliable store for original Casio calculators, MasterBookHouse.com ensures a smooth, safe, and satisfying buying experience—every time.