--- product_id: 253343244 title: "Casio Fx-991Ex Engineering/Scientific Calculator - Black" brand: "casio" price: "₹ 210" currency: INR in_stock: true reviews_count: 8 url: https://www.desertcart.in/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black store_origin: IN region: India --- # Super-Fast Calculations QR Code Graphing High-Res Display Casio Fx-991Ex Engineering/Scientific Calculator - Black **Brand:** casio **Price:** ₹ 210 **Availability:** ✅ In Stock ## Summary > 🔍 Unlock the Power of Precision! ## Quick Answers - **What is this?** Casio Fx-991Ex Engineering/Scientific Calculator - Black by casio - **How much does it cost?** ₹ 210 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/253343244-casio-fx-991ex-engineering-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 - • **Visualize with Ease:** Generate QR codes for instant graphical data representation. - • **Perfect for All Levels:** Designed for middle and high school students, ideal for advanced studies. - • **User-Friendly Interface:** Navigate effortlessly with a high-resolution LCD screen for enhanced visibility. - • **Elevate Your Calculations:** Experience lightning-fast computation with advanced mathematical functions. - • **Comprehensive Functionality:** Master integration, differential calculus, and more with a single device. ## Overview The Casio Fx-991Ex is a high-performance scientific calculator featuring a high-resolution display, super-fast calculation speed, and advanced mathematical functions, making it perfect for students and professionals alike. With capabilities for QR code graphing and a comprehensive set of calculations, it’s designed to meet the needs of both basic and advanced users. ## Description Buy Casio Fx-991Ex Engineering/Scientific Calculator - Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. 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. Review: very decent calculator, and it'll last! - this calculator is pretty great, this thing is gonna last a long time and its functions are very much useful especially for engineering ! ## Features - A New High-Performance Scientific With High Resolution Display Increasing The Amount Of Information Displayed And Super-Fast Calculation Speed For Performing The Most Advanced Mathematics - It’S New High Resolution Lcd Screen Allows More Information For Applications Like Spreadsheets And 4X4 Matrix Calculations. - Need Graphical Representation For Data Generated By The Fx-991Ex - No Problem! Generate A Qr Code For Your Problem, Scan The Code And Immediately See A Graphical Representation Of Your Data. - This calculator has a comprehensive set of advanced calculations for integration and differential calculus, along with vector and inequality calculations. - For the middle and high school grades, we’ve incorporated basic spreadsheet functionality, ratio and statistical functionality, down to ratio calculation and prime factorization. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B011UK5DGY | | Best Sellers Rank | #10,445 in Office Products ( See Top 100 in Office Products ) #37 in Scientific Calculators | | Brand | Casio | | Calculator Type | Engineering/Scientific | | Color | Black | | Colour | Black | | Compatible Devices | Devices with QR code readers, like smartphones and tablets | | Customer Reviews | 4.5 out of 5 stars 15,180 Reviews | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 16.6L x 7.7W centimeters | | Item Type Name | Casio FX-991EX Engineering / Scientific Calculator, Black | | Item Weight | 200 Grams | | Manufacturer | Casio | | Mfr Part Number | FX-991EX | | Model Name | Fx-991ex | | Model Number | FX-991EX | | Model name | Fx-991ex | | Number of Batteries | 1 LR44 batteries required. | | Number of batteries | 1 LR44 batteries required. | | Power Source | Battery Powered | | Power source | Battery Powered | | Warranty Description | 1 year manufacturer warranty | ## Product Details - **Brand:** Casio - **Colour:** Black - **Calculator Type:** Engineering/Scientific - **Power source:** Battery Powered - **Number of batteries:** 1 LR44 batteries required. ## Images ![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 1](https://m.media-amazon.com/images/I/616ryRoQ5EL.jpg) ![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 2](https://m.media-amazon.com/images/I/71qzJyFuKdL.jpg) ![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 3](https://m.media-amazon.com/images/I/61VaP+oUEmL.jpg) ![Casio Fx-991Ex Engineering/Scientific Calculator - Black - Image 4](https://m.media-amazon.com/images/I/61GgfWl3WLL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: هل هو شامل الغطاء** A: نعم **Q: Is this non-programable?** A: It’s not programmable. **Q: How many modes does it have?** A: 552 functions **Q: Is this the UK version Classwiz?** A: This is Thailand version. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 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. ### ⭐⭐⭐⭐⭐ very decent calculator, and it'll last! *by A***I on 17 April 2024* this calculator is pretty great, this thing is gonna last a long time and its functions are very much useful especially for engineering ! ### ⭐⭐⭐⭐ Works well *by A***I on 7 May 2022* Decent quality --- ## 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.in/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black](https://www.desertcart.in/products/253343244-casio-fx-991ex-engineering-scientific-calculator-black) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-28*