--- product_id: 721321895 title: "FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display" brand: "casio" price: "€ 30.73" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.at/products/721321895-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401-functions store_origin: AT region: Austria --- # Water-resistant key printing 401 versatile functions Dual solar & battery power FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display **Brand:** casio **Price:** € 30.73 **Availability:** βœ… In Stock ## Summary > πŸ“ Elevate your calculations β€” the classic powerhouse for every millennial pro! ## Quick Answers - **What is this?** FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display by casio - **How much does it cost?** € 30.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/721321895-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401-functions) ## 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 - β€’ **Built to Endure:** Drop-resistant body and water-resistant key printing keep your calculator looking fresh and reliable. - β€’ **Exam-Ready & Trusted:** Non-programmable design ensures acceptance in all major engineering exams like JEE and GATE. - β€’ **Unstoppable Power Duo:** Seamlessly switch between solar and battery power to never miss a calculation moment. - β€’ **Master of 401 Functions:** From integrals to matrices, conquer complex engineering problems with ease and speed. - β€’ **Crystal Clear Dual-Line Display:** Dot-matrix high-resolution screen lets you view and edit long expressions effortlessly. ## Overview The Casio FX-991MS 2nd Gen is a sleek, non-programmable scientific calculator featuring 401 functions, a durable drop-resistant body, and water-resistant key printing. Its dual-line dot-matrix display enhances readability for complex equations, while dual solar and battery power ensure uninterrupted use. Trusted by engineering students and professionals alike, it’s exam-approved and built to last with a 3-year manufacturer warranty. ## Description Casio fx-991MS is a non-Programmable scientific calculator with 401 functions. The 2nd edition of the calculator comes in sleek and attractive design. Calculator has dot-matrix display for easy viewing and entering of long algebraic functions and equations. it can solve Trigonometrical, Statistical, Integral, Differential, Matrix, Vector calculations and many more... Calculator is made with wear resistance printing and has drop resistant body. This is powered by Solar & Battery both: Solar powered when light is sufficient, battery powered when light is insufficient. ## Features - Drop resistant body with water resistant printing on Keys - Multi-replay: Quick and easy recall of previously executed formulas for editing and re-execution - 3 Years All India Manufacturer Warranty - Country of Origin: Thailand ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07TTGZWS1 | | Best Sellers Rank | #41 in Office Products (See Top 100 in Office Products) #5 in Scientific | | Box Contents | 1 Calculator, 1 User Manual, 1 Warranty Card With Serial Number, 1 Warranty Term Sheet | | Brand Name | Casio | | Calculator Type | Engineering/Scientific | | Colour | Black | | Country Of Origin | Thailand | | Customer Reviews | 4.4 4.4 out of 5 stars (4,982) 4.4 out of 5 stars | | Display Type | LCD | | Enclosure Material | Plastic | | Eu Spare Part Availability Duration | 3 Years | | Importer Contact Information | Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044 | | Item Dimensions L X W | 161.5L x 77W Centimeters | | Item Type Name | Scientific | | Item Weight Unit Of Measure | 95 Grams | | Manufacturer | Casio, Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044 | | Manufacturer Contact Information | Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044 | | Manufacturer Part Number | C77 | | Model Name | Scientific | | Model Number | FX-991MS-2 | | Number Of Batteries | Nonstandard Battery batteries required. (included) | | Number Of Items | 1 | | Number Of Packs | 1 | | Packer Contact Information | Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044 | | Power Source | Battery Powered | | Screen Size Unit Of Measure | 7 Inches | | Unit Count | 1 Count | | Warranty Description | 6 months additional warranty for products registered online How to avail Warranty? Register your product on https://register.casio.in 3 years all India Manufacturer Warranty from the date of purchase To claim your warranty, produce original bill copy/invoice at authorized Casio service center (Warranty card & stamp is not mandatory for online purchases) For any service related enquiries and feedback, call Casio India Helpline Number: - 011-66999200 or Email at casiocare@casio.co.in | ## Product Details - **Brand:** Casio - **Calculator Type:** Engineering/Scientific - **Colour:** Black - **Power Source:** Battery Powered - **Screen Size:** 7 Inches ## Images ![FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display - Image 1](https://m.media-amazon.com/images/I/61HXfPgQcqL.jpg) ## Available Options This product comes in different **Style Name** options. ## Questions & Answers **Q: What is difference between fx 991ms and fx 991 es plus?** A: No big difference but whether my knowledge ES is not applicable for all competitive exam . Yes ES has more functions than MS . **Q: This product has stopped functioning in certain calculations can it be repaired** A: Yes , **Q: Along with solar panels, it has battery / cell options** A: S it has both battery and cell **Q: Can i use in civil engineering** A: Of course it can be done on this calculator. But better use FX-991 ES or ES+ for that. Hope you helpful.. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable scientific calculator *by on Reviewed in India 24 August 2026* A very useful calculator for students. It has plenty of functions for regular school and competitive-exam calculations. The display is clear, buttons are easy to use, and the calculator feels reliable for everyday study. ### ⭐⭐⭐⭐ Best *by on Reviewed in India 1 March 2026* The Casio FX‑991MS 2nd Gen Scientific Calculator is a dependable and feature-rich non-programmable scientific calculator ideal for students and professionals alike. It offers multi-line display, over 400 functions, and accurate calculations for algebra, trigonometry, statistics, and more β€” all with a classic, easy-to-use layout.Built with solid construction and long battery life (solar + battery), it’s perfect for exams, engineering, science, and math classes where programmable calculators aren’t allowed. ### ⭐⭐⭐⭐⭐ Best choice *by on Reviewed in India 24 September 2026* Nice one ## Frequently Bought Together - Casio FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display - Casio MJ-12D 150 Steps Check and Correct Desktop Calculator --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/721321895-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401-functions](https://www.desertcart.at/products/721321895-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401-functions) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-10-05*