---
product_id: 22728886
title: "Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New"
brand: "casio"
price: "392 kr"
currency: ISK
in_stock: false
reviews_count: 2
url: https://www.desertcart.is/products/22728886-casio-fx-991es-plus-scientific-calculator-fx991es-fx-991-es
store_origin: IS
region: Iceland
---

# Instant complex calculations 417 functions for advanced math Dual power: solar + battery Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New

**Brand:** casio
**Price:** 392 kr
**Availability:** ❌ Out of Stock

## Summary

> 📊 Master math effortlessly—because your calculations deserve a pro-level edge!

## Quick Answers

- **What is this?** Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New by casio
- **How much does it cost?** 392 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/22728886-casio-fx-991es-plus-scientific-calculator-fx991es-fx-991-es)

## 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

- • **Durable & Portable:** Compact design built for on-the-go professionals and students who demand precision anytime, anywhere.
- • **Rapid Problem Solving:** Handles complex integrations, logarithms, and equations in seconds—save time and impress peers.
- • **Dual Power Reliability:** Solar-powered with battery backup ensures uninterrupted use—never get caught powerless during crunch time.
- • **Comprehensive Functionality:** Equipped with 417 built-in functions, from calculus to statistics, perfect for GCSE, A-Level, and beyond.
- • **User-Friendly Natural Display:** Displays expressions and results exactly as they appear in textbooks, reducing errors and boosting confidence.

## Overview

The Casio FX-991ES Plus is a solar and battery-powered scientific calculator featuring 417 functions tailored for advanced mathematics, including calculus and statistics. Its natural textbook display simplifies complex problem-solving, making it ideal for students and professionals tackling GCSE, A-Level, and higher-level scientific calculations.

## Description

Casio FX-991ES Plus Scientific Calculator Fx 991 Es - New & Sealed ship by circle shop

## Features

- Easily compute the most complex of mathematical problems, equations, and scientific formulae with the Casio FX-991ES Plus scientific calculator.
- The Casio 991ES calculator works with a dual power source, the primary being a built-in solar power cell that keeps it running for hours without any batteries.
- Moreover, with batteries installed, you can safely use it for weeks together without worrying of replacing them.
- You can practice all sorts of mathematical problems that appear at the GCSE, A Levels and above, with this Casio FX-991ES Plus scientific calculator.
- The Casio 991ES calculator resolves complex calculations, integrations, and logarithms in just a few steps.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Power Source | Battery Powered |
| Calculator Type | Engineering/Scientific |

## Product Details

- **Brand:** Casio
- **Calculator Type:** Engineering/Scientific
- **Power Source:** Battery Powered
- **UPC:** 097727443265
- **Manufacturer:** China

## Images

![Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New - Image 1](https://m.media-amazon.com/images/I/71DChIombOL.jpg)
![Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New - Image 2](https://m.media-amazon.com/images/I/51xrFMW7+7L.jpg)
![Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New - Image 3](https://m.media-amazon.com/images/I/51yRSSn-JCL.jpg)
![Casio Fx-991es Plus Scientific Calculator Fx991es + Fx 991 ES - New - Image 4](https://m.media-amazon.com/images/I/817OUYlSEBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ tidy and easy to
*by W***2 on October 25, 2014*

light, tidy and easy to use

### ⭐ ... tried to rewind the calculator because I found the best of them
*by M***. on December 18, 2016*

I tried to rewind the calculator because I found the best of them ... but the seller forced me to buy them ???

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**Shop now:** [https://www.desertcart.is/products/22728886-casio-fx-991es-plus-scientific-calculator-fx991es-fx-991-es](https://www.desertcart.is/products/22728886-casio-fx-991es-plus-scientific-calculator-fx991es-fx-991-es)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-09*