--- product_id: 546896689 title: "FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display" brand: "casio" price: "€ 79.11" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.pt/products/546896689-fx-991-cw-italian-model-scientific-calculator-540-functions-natural store_origin: PT region: Portugal --- # 540+ functions QR code for PC sync 192x63 pixel natural display FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display **Brand:** casio **Price:** € 79.11 **Availability:** ✅ In Stock ## Summary > 📐 Elevate your calculations, join the elite math pros! ## Quick Answers - **What is this?** FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display by casio - **How much does it cost?** € 79.11 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/546896689-fx-991-cw-italian-model-scientific-calculator-540-functions-natural) ## 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 matrices, conquer every calculation effortlessly. - • **Seamless PC Integration:** Generate QR codes to continue your work on any device—study smarter, not harder. - • **Natural Textbook Display:** See fractions, powers, and formulas exactly as in your textbooks for flawless clarity. - • **Powerful Equation Solver:** Solve up to 4 simultaneous equations and 4x4 matrices with lightning speed. - • **Solar Powered & Lightweight:** Eco-friendly energy meets portability—carry brilliance wherever you go. ## Overview The Casio FX-991 CW Italian Model is a cutting-edge scientific calculator featuring over 540 functions, a high-resolution natural textbook display (192x63 pixels), and advanced tools like spreadsheet stats, QR code syncing, and multi-equation solvers. Lightweight and solar powered, it’s designed for secondary school and university students aiming for precision and efficiency in every calculation. ## Description New science calculator ideal for secondary school 2nd grade with practical and intuitive design, 4-level high-resolution app display with gray, and faster processor. Over 540 functions including spreadsheet, QR code generation, simultaneous solver and polynomial up to four degrees, numerical integration, differentiation, statistics, matrices, vector calculation. Natural Textbook Display - Insert and display fractions, powers, logarithms, roots and other mathematical formulas and symbols just as they appear in textbooks. Admitted to baccalaureate and with 3 year warranty. ## Features - Scientific calculator (Italian Model) with over 540 functions designed for school - High resolution natural LCD display with 192 x 63 pixels and icon menu - Spreadsheet to study statistics - QR code for continuing calculations on PC - Solving equations and systems up to 4 equations and matrix calculation 4 x 4 ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0C4YNQMFF | | Best Sellers Rank | 56,095 in Stationery & Office Supplies (See Top 100 in Stationery & Office Supplies) 70 in Scientific Calculators | | Brand Name | Casio | | Calculator Type | Engineering/Scientific | | Colour | grey | | Compatible Devices | Computers, laptops, smartphones | | Customer Reviews | 4.7 4.7 out of 5 stars (1,362) 4.7 out of 5 stars | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L X W | 16L x 7.6W centimetres | | Item Weight | 95 Grams | | Manufacturer | CASIO | | Manufacturer 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 Centimetres | | Unit Count | 1.0 count | ## Product Details - **Brand:** Casio - **Calculator Type:** Engineering/Scientific - **Colour:** grey - **Compatible devices:** Computers, laptops, smartphones - **Material:** Plastic - **Model name:** FX 991CW - **Number of batteries:** 1 LR44 batteries required. (included) - **Power source:** Solar Powered - **Product dimensions:** 16L x 7.6W centimetres - **Screen size:** 6.35 Centimetres ## Images ![FX-991 CW (Italian Model) 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 Name, Style Name** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ A must have for maths and science students!! *by on Reviewed in the United Kingdom 8 May 2026* The Casio FX-991CW Scientific Calculator is absolutely brilliant for maths and science students. It’s fast, accurate, and packed with so many useful functions that make complex calculations much easier. The screen is very clear and easy to read, especially for fractions and equations, and the buttons feel comfortable and responsive. I also love the modern design and how lightweight it is to carry around for school or exams. Perfect for GCSE, A-Level, and university work. Excellent quality and definitely worth the money. Highly recommended! ### ⭐⭐⭐⭐⭐ Excellent *by on Reviewed in the United Kingdom 22 September 2024* I was a bit disturbed by the price, but now that I'm using it I'd say it is worth it. It is lightweight, and seems qualitative if handled well. It came with guide on how to use it, so I will figure it out ### ⭐⭐⭐⭐⭐ Great! *by on Reviewed in the United Kingdom 6 September 2025* Perfect for GCSE maths ## Frequently Bought Together - Casio FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display - Helix Oxford Maths Set with Storage Tin - 10 Piece Maths Equipment Set - Zamasha Clear Pencil Case Black | 22x4x9 cm Stylish, Practical and Transparent Pencil Case | Versatile Storage for Stationery, Toiletries, Makeup, Travel & Office Supplies --- ## 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.pt/products/546896689-fx-991-cw-italian-model-scientific-calculator-540-functions-natural](https://www.desertcart.pt/products/546896689-fx-991-cw-italian-model-scientific-calculator-540-functions-natural) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-11-15*