---
product_id: 253343244
title: "Casio Fx-991Ex Engineering/Scientific Calculator - Black"
brand: "casio"
price: "FREE"
currency: EUR
in_stock: false
url: https://www.desertcart.at/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black
store_origin: AT
region: Austria
---

# Super-Fast Calculations QR Code Graphing High-Res Display Casio Fx-991Ex Engineering/Scientific Calculator - Black

**Brand:** casio
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔍 Unlock the Power of Precision!

## Quick Answers

- **What is this?** Casio Fx-991Ex Engineering/Scientific Calculator - Black by casio
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Visualize with Ease:** Generate QR codes for instant graphical data representation.
- • **Perfect for All Levels:** Designed for middle and high school students, ideal for advanced studies.
- • **User-Friendly Interface:** Navigate effortlessly with a high-resolution LCD screen for enhanced visibility.
- • **Elevate Your Calculations:** Experience lightning-fast computation with advanced mathematical functions.
- • **Comprehensive Functionality:** Master integration, differential calculus, and more with a single device.

## Overview

The Casio Fx-991Ex is a high-performance scientific calculator featuring a high-resolution display, super-fast calculation speed, and advanced mathematical functions, making it perfect for students and professionals alike. With capabilities for QR code graphing and a comprehensive set of calculations, it’s designed to meet the needs of both basic and advanced users.

## Description

Buy Casio Fx-991Ex Engineering/Scientific Calculator - Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- A New High-Performance Scientific With High Resolution Display Increasing The Amount Of Information Displayed And Super-Fast Calculation Speed For Performing The Most Advanced Mathematics
- It’S New High Resolution Lcd Screen Allows More Information For Applications Like Spreadsheets And 4X4 Matrix Calculations.
- Need Graphical Representation For Data Generated By The Fx-991Ex - No Problem! Generate A Qr Code For Your Problem, Scan The Code And Immediately See A Graphical Representation Of Your Data.
- This calculator has a comprehensive set of advanced calculations for integration and differential calculus, along with vector and inequality calculations.
- For the middle and high school grades, we’ve incorporated basic spreadsheet functionality, ratio and statistical functionality, down to ratio calculation and prime factorization.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B011UK5DGY |
| Best Sellers Rank | #34,158 in Office Products ( See Top 100 in Office Products ) #98 in Scientific Calculators |
| Brand | Casio |
| Calculator Type | Engineering/Scientific |
| Color | Black |
| Compatible Devices | Devices with QR code readers, like smartphones and tablets |
| Customer Reviews | 4.6 4.6 out of 5 stars (15,225) |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 16.6L x 7.7W centimeters |
| Item Type Name | Casio FX-991EX Engineering / Scientific Calculator, Black |
| Item Weight | 200 Grams |
| Manufacturer | Casio |
| Mfr Part Number | FX-991EX |
| Model Name | Fx-991ex |
| Model Number | FX-991EX |
| Number of Batteries | 1 LR44 batteries required. |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Warranty Description | 1 year manufacturer warranty |

## Product Details

- **Brand:** Casio
- **Calculator Type:** Engineering/Scientific
- **Colour:** Black
- **Number of batteries:** 1 LR44 batteries required.
- **Power source:** Battery Powered

## Images

![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 1](https://m.media-amazon.com/images/I/616ryRoQ5EL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: هل هو شامل الغطاء**
A: نعم

**Q: Is this non-programable?**
A: It’s not programmable.

**Q: How many modes does it have?**
A: 552 functions

**Q: Is this the UK version Classwiz?**
A: This is Thailand version.

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**Shop now:** [https://www.desertcart.at/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black](https://www.desertcart.at/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-08-22*