--- product_id: 238594604 title: "Casio FX-991ES Plus-2nd Edition Scientific Calculator" brand: "casio" price: "¥9148" currency: JPY in_stock: true reviews_count: 13 category: "Casio" url: https://www.desertcart.jp/products/238594604-casio-fx-991es-plus-2nd-edition-scientific-calculator store_origin: JP region: Japan --- # Natural Textbook Display Dual solar & battery power 417 functions powerhouse Casio FX-991ES Plus-2nd Edition Scientific Calculator **Brand:** casio **Price:** ¥9148 **Availability:** ✅ In Stock ## Summary > 📊 Elevate your calculations, join the elite of precision and style! ## Quick Answers - **What is this?** Casio FX-991ES Plus-2nd Edition Scientific Calculator by casio - **How much does it cost?** ¥9148 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/238594604-casio-fx-991es-plus-2nd-edition-scientific-calculator) ## 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 - • **Dual Power Source:** Solar & battery combo ensures uninterrupted performance wherever you work. - • **Color-Coded Keypad:** Instantly find the right function with a sleek, intuitive layout designed for speed. - • **Sleek, Portable Design:** Lightweight 95g with a durable slide-on hard case—carry your edge everywhere. - • **Natural Textbook Display:** See formulas exactly as in your textbooks—no more decoding cryptic inputs. - • **Master 417 Functions with Ease:** From calculus to complex numbers, conquer every equation effortlessly. ## Overview The Casio FX-991ES Plus 2nd Edition is a premium scientific calculator featuring 417 functions, a Natural Textbook Display for intuitive input, and a color-coded keypad for quick access. Powered by both solar and battery, it offers reliable performance in a sleek, lightweight design with a protective slide-on hard case—perfect for professionals and students demanding accuracy and efficiency. ## Description 417 functions, Display: Natural Textbook Display, LCD (dot-matrix), 10 + 2 decimal places, Power supply: Solar & Battery, Basic Mathematical Functions, Table Generation, Base-n calculation, Scientific Constants, Vector, Basic Statistics, Differentiation, Non Graphing, Matrix, Equation, Integration, Complex number calculation, Comes with new slide-on hard case, Size (H x W x D): 11.1 x 77.0 x 161.5 mm, Weight: 95g ## Features - Redesigned ES PLUS series calculators featuring easy-to-understand Natural Textbook Display, Non-Programmable Scientific Calculator with 417 Functions - Stylish design but same function as Casio FX-991ESPLUS 1st edition, 10-digit mantissa + 2-digit exponential display - Basic Trigonometrical & Statistics Functions, and many more functions - Colour coded keypad for easy key differentiation, Simple and easy to use, Comes with new slide on hard case ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0846D5CBP | | Best Sellers Rank | #11,253 in Office Products ( See Top 100 in Office Products ) #13 in Scientific Calculators | | Brand | Casio | | Calculator Type | Engineering/Scientific, Graphing | | Color | Black | | Customer Reviews | 4.8 out of 5 stars 14,553 Reviews | | Display Type | LCD | | Enclosure Material | Metal or Durable Plastic | | Global Trade Identification Number | 04549526608773 | | Item Dimensions L x W | 6.38"L x 3.03"W | | Item Weight | 95 Grams | | Manufacturer | CASIO | | Mfr Part Number | C79 | | Model Name | fx-991ES PLUS 2nd edition | | Model Number | FX-991ES PLUS 2ND EDITION | | Number of Batteries | 1 LR44 batteries required. (included) | | Power Source | Battery Powered | | Screen Size | 4 Inches | ## Product Details - **Brand:** Casio - **Calculator Type:** Engineering/Scientific, Graphing - **Color:** Black - **Power Source:** Battery Powered - **Screen Size:** 4 Inches ## Images ![Casio FX-991ES Plus-2nd Edition Scientific Calculator - Image 1](https://m.media-amazon.com/images/I/61IujYL0JTL.jpg) ## Questions & Answers **Q: Can this do mm to inch** A: yes **Q: Cual es la razon para invertir 35 dolares en tu fx-991es, si la calculadora fx-991ex vale apenas 20 dolares y tiene 135 funciones mas ?** A: Me gustó más su diseño, la utilizo como calculadora de bolsillo no programable únicamente , (utilizo una programable para ingeniería). el precio estaba en oferta cuando la compré, me costó casi lo mismo y me gustó más. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***E on March 11, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***9 on March 15, 2024* ### ⭐⭐⭐⭐⭐ Review *by C***A on April 5, 2026* ## Frequently Bought Together - Casio FX-991ES Plus-2nd Edition Scientific Calculator - Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics - Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black. --- ## 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.jp/products/238594604-casio-fx-991es-plus-2nd-edition-scientific-calculator](https://www.desertcart.jp/products/238594604-casio-fx-991es-plus-2nd-edition-scientific-calculator) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-05*