---
product_id: 253343244
title: "Casio Fx-991Ex Engineering/Scientific Calculator - Black"
brand: "casio"
price: "$8.56"
currency: USD
in_stock: false
url: https://www.desertcart.ec/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black
store_origin: EC
region: Ecuador
---

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

**Brand:** casio
**Price:** $8.56
**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?** $8.56 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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

Full description not available

## 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.

## Product Details

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

## Images

![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 1](https://m.media-amazon.com/images/I/616ryRoQ5EL.jpg)
![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 2](https://m.media-amazon.com/images/I/71qzJyFuKdL.jpg)
![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 3](https://m.media-amazon.com/images/I/61VaP+oUEmL.jpg)
![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 4](https://m.media-amazon.com/images/I/61GgfWl3WLL.jpg)

## 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.ec/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black](https://www.desertcart.ec/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-24*