---
product_id: 255752170
title: "Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5\" 0.10.2 cm"
brand: "casio"
price: "NT$1718"
currency: TWD
in_stock: true
reviews_count: 13
url: https://www.desertcart.tw/products/255752170-casio-fx-991ex-engineering-scientific-calculator-black-european-version-7
store_origin: TW
region: Taiwan
---

# High-res LCD display for clear results Battery-powered for reliable use 552 functions for every calculation Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5" 0.10.2 cm

**Brand:** casio
**Price:** NT$1718
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your calculations — because precision is the new power!

## Quick Answers

- **What is this?** Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5" 0.10.2 cm by casio
- **How much does it cost?** NT$1718 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/255752170-casio-fx-991ex-engineering-scientific-calculator-black-european-version-7)

## 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

- • **Compact & Lightweight:** Sleek 7.6 cm x 6.5 cm design weighing just 91g fits perfectly in your bag or pocket.
- • **Crystal Clear Display:** High-resolution LCD technology ensures every number and symbol is sharp and easy to read.
- • **Master Every Equation:** 552 advanced functions to tackle complex engineering and scientific problems with ease.
- • **Trusted by Pros & Students:** Top-ranked scientific calculator with proven reliability for university and professional use.
- • **Precision at Your Fingertips:** Accurate integral, differential, and defined integral calculations for professional-grade results.

## Overview

The Casio Fx-991Ex is a European version scientific calculator featuring 552 functions, including integral and differential calculations, powered by battery and equipped with a high-resolution LCD display. Compact and lightweight, it is a top choice for students and professionals seeking accuracy and versatility in a sleek design.

## Description

Buy Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5" 0.10.2 cm online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Right product delivered - Difficult to find this product on desertcart and was concerned a different model would be delivered but it came on time and was accurate!
Review: Favorite non-graphic calculator - Great for school and university

## Features

- Number of functions: 552
- Power supply: Battery
- Calculation of integral, defined integral and differentials
- Display technology: LCD

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00ZZ93346 |
| Best Sellers Rank | #23,667 in Office Products ( See Top 100 in Office Products ) #72 in Scientific Calculators |
| Department | Office Equipment & Equipment Supplies |
| Item model number | FX-991EX |
| Manufacturer | Casio Computer Co., Ltd |
| Product Dimensions | 23.01 x 14.2 x 2.69 cm; 91 g |

## Product Details

- **Brand:** Casio
- **Calculator Type:** Engineering/Scientific
- **Colour:** Black
- **Power source:** Battery Powered
- **Screen size:** 7.07 Inches

## Images

![Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5" 0.10.2 cm - Image 1](https://m.media-amazon.com/images/I/31VcZ3J3k0L.jpg)
![Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5" 0.10.2 cm - Image 2](https://m.media-amazon.com/images/I/61r7pV9dztL.jpg)
![Casio Fx-991Ex Engineering/Scientific Calculator, Black (EUropean Version), 7.6 cm X 6.5" 0.10.2 cm - Image 3](https://m.media-amazon.com/images/I/71mCfR49bYL.jpg)

## Questions & Answers

**Q: You write european version. What other versions are there and what is the difference please?**
A: English

**Q: What is European version? Functions in a language other than English?**
A: no its also Functions English

**Q: Is this the original one?**
A: 100%

## Customer Reviews

### ⭐⭐⭐⭐⭐ Right product delivered
*by U***R on 26 September 2023*

Difficult to find this product on Amazon and was concerned a different model would be delivered but it came on time and was accurate!

### ⭐⭐⭐⭐⭐ Favorite non-graphic calculator
*by M***A on 31 October 2024*

Great for school and university

### ⭐⭐⭐⭐⭐ Great
*by M***H on 17 August 2023*

Excellent product and value for money.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tw/products/255752170-casio-fx-991ex-engineering-scientific-calculator-black-european-version-7](https://www.desertcart.tw/products/255752170-casio-fx-991ex-engineering-scientific-calculator-black-european-version-7)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-25*