Description

Casio FX-991EX ClassWiz Black Scientific Calculator

The FX-991EX is Casio’s most advanced non-programmable scientific calculator in the ClassWiz series. Featuring a high-resolution LCD, spreadsheet function, intuitive menu icons, fast calculation engine, and QR code graphing support—this model is considered the top choice for modern math and engineering students.

Designed to handle complex calculations with speed and accuracy, the FX-991EX Black Edition sets a new standard for scientific calculators in Bangladesh.

🌟 Key Features

High-Resolution LCD Display

• 4× higher resolution than MS and ES models

• Crystal-clear formulas & symbols

552 Functions

Includes:

• Matrix & Vector calculations

• Differential & Integral functions

• Advanced statistics & probability

• Equation & inequality solver

• Polynomial solver

• Scientific constants & unit conversions

• Complex numbers

Spreadsheet Function

Perform small spreadsheet calculations directly on the calculator.

QR Code Support

Generate QR codes to display graphs, tables, and equations on your smartphone.

ClassWiz Interface

Menu icon layout for faster navigation and easy learning.

Super-Fast Processor

New engine increases speed and improves workflow.

Premium Build

• Fine-textured keys

• Protective hard case

• High-quality printed labels

Dual Power

Solar + replaceable battery.

📊 Technical Specification Table

🎓 Suitable For

• SSC & HSC Students

• University (BSc, Engineering, Medical, Business)

• Professional scientists & researchers

• Teachers & lab instructors

• Competitive exam candidates

📦 Box Contents

• 1 × Casio FX-991EX Calculator (Black)

• 1 × Slide Hard Case

• 1 × User Manual

• 1 × Warranty Card

❓ Frequently Asked Questions (FAQ)

Q1: Is the Casio FX-991EX original and globally accepted?
Yes. It is 100% original and part of Casio’s latest ClassWiz lineup.

Q2: Is it allowed in exams in Bangladesh?
Yes. It is a non-programmable model, approved for SSC, HSC, and university exams.

Q3: What makes the FX-991EX better than fx-991ES PLUS?

• Higher resolution display

• Faster processing

• Spreadsheet function

• QR code & graphing support

• More functions (552 vs 417)

Q4: Does it support integration, differentiation, and complex numbers?
Yes. It handles all of these efficiently.

Q5: How long does the battery last?
Usually 2–3 years, supported with solar power.