---
product_id: 259218936
title: "Scientific Calculator, FX-991ES Plus"
brand: "casio"
price: "฿2488"
currency: THB
in_stock: true
reviews_count: 4
category: "Casio"
url: https://www.desertcart.co.th/products/259218936-scientific-calculator-fx-991es-plus
store_origin: TH
region: Thailand
---

# Textbook-style display Data list editing Dual solar & battery power Scientific Calculator, FX-991ES Plus

**Brand:** casio
**Price:** ฿2488
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your calculations with precision and style!

## Quick Answers

- **What is this?** Scientific Calculator, FX-991ES Plus by casio
- **How much does it cost?** ฿2488 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/259218936-scientific-calculator-fx-991es-plus)

## 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 your data:** View and edit input data in organized lists, perfect for precise calculations and analysis.
- • **Power that never quits:** Seamlessly switches between solar and battery power for uninterrupted use.
- • **Top-rated choice for pros:** Ranked #10 in Scientific Calculators with a stellar 4.6-star rating—join the smart crowd.
- • **See math like your textbooks:** Natural textbook display makes complex equations intuitive and easy to follow.
- • **Built to last, designed to impress:** Durable construction with premium materials ensures reliability through every project.

## Overview

The Casio FX-991ES Plus is a top-tier scientific calculator featuring dual solar and battery power, a natural textbook display for easy equation reading, and advanced data list editing capabilities. Engineered for durability and ease of use, it’s a trusted choice among professionals and students alike.

## Description

It is designed as per the prevailing industry standards, it scores high on the aspect of utility. The quality material used in it's construction makes it durable.

Review: Excellent product not doubt - Excellent product
Review: It's good - The quality is good

## Features

- Brand: Casio
- Type: Calculators
- Model Number: FX-991ES PLUS
- Color: White
- Details: Solar powered when light is sufficient, battery powered when light is insufficient
- Designed and engineered for easy operation
- Display expression same as textbook
- Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07M81S8CB |
| Best Sellers Rank | #1,521 in Office Products ( See Top 100 in Office Products ) #10 in Scientific Calculators |
| Brand | Casio |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (22) |
| Date First Available | 14 January 2019 |
| Item Weight | 180 g |
| Manufacturer | CASIO |
| Material Type | Plastic |
| Package Dimensions | 19.2 x 8.3 x 2.3 cm; 180 g |

## Product Details

- **Brand:** Casio
- **Calculator Type:** Engineering/Scientific
- **Colour:** White
- **Model name:** FX 991ES Plus
- **Power source:** Battery, Solar

## Images

![Scientific Calculator, FX-991ES Plus - Image 1](https://m.media-amazon.com/images/I/61P3-aYmF9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent product not doubt
*by U***E on 2 December 2025*

Excellent product

### ⭐⭐⭐⭐⭐ It's good
*by A***8 on 28 August 2023*

The quality is good

### ⭐⭐⭐⭐ Box
*by B***E on 26 October 2025*

Even if, its box was a little bit messy, but its contenu was as described

## Frequently Bought Together

- Casio Scientific Calculator, FX-991ES Plus
- Casio Fx-991ESPlus-2 Technical And Scientific Calculator Fx-991Es Plus 2Nd Edition
- Casio Pink Scientific Calculators Non Programmable 10 + 2 digits 417 Functions FX 991ESPLUS2 PKWDT, FX 991ESPLUS2PKWDT

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**Shop now:** [https://www.desertcart.co.th/products/259218936-scientific-calculator-fx-991es-plus](https://www.desertcart.co.th/products/259218936-scientific-calculator-fx-991es-plus)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-05-13*