---
product_id: 561791829
title: "FX-991CW Scientific Calculator, 540 Functions and Natural Display"
brand: "casio"
price: "AR$98575"
currency: ARS
in_stock: true
category: "Casio"
url: https://www.desertcart.com.ar/products/561791829-fx-991cw-scientific-calculator-540-functions-and-natural-display
store_origin: AR
region: Argentina
---

# 4x4 matrix & 4-equation solver 192x63 high-res natural display 540+ advanced functions FX-991CW Scientific Calculator, 540 Functions and Natural Display

**Brand:** casio
**Price:** AR$98575
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your calculations — because precision is the new power move.

## Quick Answers

- **What is this?** FX-991CW Scientific Calculator, 540 Functions and Natural Display by casio
- **How much does it cost?** AR$98575 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/561791829-fx-991cw-scientific-calculator-540-functions-and-natural-display)

## 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

- • **Master 540+ Functions:** From statistics to calculus, unlock every math challenge with ease.
- • **Natural Textbook Display:** See formulas exactly as in your textbooks for flawless comprehension.
- • **Powerful Equation Solver:** Solve up to 4 simultaneous equations and complex matrices in seconds.
- • **Solar Powered & Portable:** Eco-friendly, lightweight design keeps you powered through long study sessions.
- • **Smart QR Code Integration:** Seamlessly transfer calculations to your PC for next-level productivity.

## Overview

The Casio FX-991CW is a solar-powered scientific calculator featuring over 540 functions, a high-resolution natural LCD display (192x63 pixels), and advanced capabilities including 4x4 matrix calculations and solving up to 4 simultaneous equations. Designed for secondary education and professional use, it offers intuitive textbook-style visualization, QR code integration for PC connectivity, and a durable, lightweight design backed by a 3-year warranty.

## Description

Scientific calculator ideal for secondary school of the 2nd Degree with practical and intuitive design, high-resolution display with 4 gray-grade app and faster processor. More than 540 functions including spreadsheet, QR code generation, simultaneous and up to four degrees polynomal-free, numerical integration, differentiation, statistics, matrices, vector calculation. NATURAL DISPLAY OF THE TEXTBOOK Give fractions, achievements, logarithms, roots and other math formulas and symbols exactly as they appear in the textbooks. Approved for tyre testing and comes with a 3 year warranty.

## Features

- Scientific calculator with over 540 functions designed for school
- Natural LCD display with high resolution with 192 x 63 pixels and icon menu
- Calculation sheet for studying statistics
- QR code for continuing PC calculations
- Resolution of equations and systems up to 4 equations and 4 x 4 matrix calculation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C4YNQMFF |
| Best Sellers Rank | #1,598 in Office Products ( See Top 100 in Office Products ) #13 in Scientific Calculators |
| Brand | Casio |
| Calculator Type | Engineering/Scientific |
| Color | gray |
| Compatible Devices | Computers, laptops, smartphones |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,336) |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 16.2L x 7.7W centimeters |
| Item Weight | 95 Grams |
| Manufacturer | CASIO |
| Mfr Part Number | FX-991CW-W-ET-V |
| Model Name | FX 991CW |
| Model Number | FX-991CW |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Number of Items | 1 |
| Power Source | Solar Powered |
| Screen Size | 6.35 Centimeters |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Casio
- **Calculator Type:** Engineering/Scientific
- **Colour:** gray
- **Power source:** Solar Powered
- **Screen size:** 6.35 Centimeters

## Images

![FX-991CW Scientific Calculator, 540 Functions and Natural Display - Image 1](https://m.media-amazon.com/images/I/81IGU8m654L.jpg)

## Available Options

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

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.ar/products/561791829-fx-991cw-scientific-calculator-540-functions-and-natural-display](https://www.desertcart.com.ar/products/561791829-fx-991cw-scientific-calculator-540-functions-and-natural-display)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-11-07*