--- product_id: 256698007 title: "Casio FX-991ARX Scientific Calculator, Black" brand: "casio" price: "FREE" currency: EUR in_stock: false reviews_count: 13 url: https://www.desertcart.es/products/256698007-casio-fx-991arx-scientific-calculator-black store_origin: ES region: Spain --- # Full dot matrix display Dual power: battery + solar 417 functions for complex calculations Casio FX-991ARX Scientific Calculator, Black **Brand:** casio **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ⚡ Power your calculations with precision and style! ## Quick Answers - **What is this?** Casio FX-991ARX Scientific Calculator, Black by casio - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/256698007-casio-fx-991arx-scientific-calculator-black) ## 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 - • **Crystal Clear Display:** Full dot matrix LCD ensures precise visualization of formulas and graphs. - • **Dual Power Reliability:** Never run out of juice with battery and solar combo—work anywhere, anytime. - • **Lightweight & Portable:** Sleek 170g design fits perfectly in your professional toolkit or backpack. - • **Trusted Brand & Warranty:** Casio quality backed by a 1-year manufacturer warranty for peace of mind. - • **Comprehensive Functionality:** Access 417 advanced functions tailored for engineering and scientific needs. ## Overview The Casio FX-991ARX is a black scientific calculator featuring a 2.51 cm full dot matrix LCD, dual power sources (battery and solar), and 417 functions designed for engineering and scientific calculations. Lightweight at 170 grams, it combines portability with reliability, backed by Casio’s 1-year warranty. ## Description Buy Casio FX-991ARX Scientific Calculator, Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. Review: 🤍 - original Review: This little wonder has made math feel like a walk in the park! - It's like having a math wizard in your pocket, ready to assist you at any moment. The buttons are perfectly arranged and labeled, making it a breeze to navigate through functions and operations. No more fumbling around or getting lost in an ocean of confusing symbols - this calculator keeps it simple and straightforward. It's like having a superhero cape draped over your shoulders, boosting your confidence and turning you into a mathematics virtuoso. Durability-wise, this calculator is a beast. Made with sturdy materials, it can endure accidental drops, backpack jostling, and even the occasional pencil poke without breaking a sweat. It's a trusty companion that will see you through math classes, exams, and countless problem-solving adventures. ## Features - Product type: Casio FX-991ARX Scientific Calculator - Screen proportion: Full Dot Matrix - Power source: Battery/Solar Powered ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07N6Q35QN | | Best Sellers Rank | #4,982 in Office Products ( See Top 100 in Office Products ) #41 in Scientific Calculators | | Brand | Casio | | Calculator Type | Engineering/Scientific | | Color | BLACK | | Colour | BLACK | | Customer Reviews | 4.1 out of 5 stars 510 Reviews | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 16.2L x 7.7W centimeters | | Item Weight | 170 Grams | | Manufacturer | Casio | | Mfr Part Number | FX-991ARX | | Model Name | FX-991ARX | | Model Number | FX-991ARX | | Number of Batteries | 1 A batteries required. (included) | | Number of Items | 1 | | Number of batteries | 1 A batteries required. (included) | | Power Source | Battery | | Power source | Battery | | Screen Size | 2.51 Centimeters | | Screen size | 2.51 Centimeters | | Unit Count | 1 Count | | Warranty Description | 1 year manufacturer warranty | ## Product Details - **Brand:** Casio - **Calculator Type:** Engineering/Scientific - **Colour:** BLACK - **Power source:** Battery - **Screen size:** 2.51 Centimeters ## Images ![Casio FX-991ARX Scientific Calculator, Black - Image 1](https://m.media-amazon.com/images/I/61z9hWHc5yL.jpg) ![Casio FX-991ARX Scientific Calculator, Black - Image 2](https://m.media-amazon.com/images/I/41GqfyJFbgL.jpg) ![Casio FX-991ARX Scientific Calculator, Black - Image 3](https://m.media-amazon.com/images/I/71q-PyyK7QL.jpg) ![Casio FX-991ARX Scientific Calculator, Black - Image 4](https://m.media-amazon.com/images/I/617-8kSuu7L.jpg) ![Casio FX-991ARX Scientific Calculator, Black - Image 5](https://m.media-amazon.com/images/I/21dB4aRlI9L.jpg) ## Questions & Answers **Q: is it only arabic** A: It is having English and Arabic menu ## Customer Reviews ### ⭐⭐⭐⭐⭐ 🤍 *by M***L on 12 July 2026* original ### ⭐⭐⭐⭐⭐ This little wonder has made math feel like a walk in the park! *by K***Y on 28 March 2024* It's like having a math wizard in your pocket, ready to assist you at any moment. The buttons are perfectly arranged and labeled, making it a breeze to navigate through functions and operations. No more fumbling around or getting lost in an ocean of confusing symbols - this calculator keeps it simple and straightforward. It's like having a superhero cape draped over your shoulders, boosting your confidence and turning you into a mathematics virtuoso. Durability-wise, this calculator is a beast. Made with sturdy materials, it can endure accidental drops, backpack jostling, and even the occasional pencil poke without breaking a sweat. It's a trusty companion that will see you through math classes, exams, and countless problem-solving adventures. ### ⭐⭐⭐⭐ Good *by T***D on 1 August 2024* This calculator is good I haven't really used it yet but it's good and has many functions that other calculators don't it just feels a little thin though ## Frequently Bought Together - Casio FX-991ARX Scientific Calculator, Black - TGTGHEE 8 Pieces Math Geometry Kit Set Student Supplies with Shatterproof Storage Box & Reusable Pouch,Includes Rulers,Protractor,Compass,Pencil,Eraser.for Students and Engineering Drawings - UHU STIC, The Proven Glue Stick - Glues strongly, quickly and permanently, without solvent, 8.2g, Set of 3, White pack may vary --- ## 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.es/products/256698007-casio-fx-991arx-scientific-calculator-black](https://www.desertcart.es/products/256698007-casio-fx-991arx-scientific-calculator-black) --- *Product available on Desertcart Spain* *Store origin: ES* *Last updated: 2026-09-09*