--- product_id: 669442363 title: "Casio FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display, Black" brand: "casio" price: "738 kr" currency: NOK in_stock: true category: "Casio" url: https://www.desertcart.no/products/669442363-casio-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401 store_origin: NO region: Norway --- # 2-line high-res dot matrix display Dual power: solar + battery backup 401 functions for every calculation Casio FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display, Black **Brand:** casio **Price:** 738 kr **Availability:** ✅ In Stock ## Summary > 🔢 Elevate your calculations—because precision is the new power move. ## Quick Answers - **What is this?** Casio FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display, Black by casio - **How much does it cost?** 738 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/669442363-casio-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401) ## 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 - • **Compact & Lightweight:** Sleek design at just 95g and pocket-friendly dimensions, ideal for professionals on the move. - • **Crystal Clear Display:** High-resolution 2-line dot matrix screen for easy viewing and editing of formulas, minimizing errors and boosting productivity. - • **Dual Power Reliability:** Solar-powered with battery backup ensures uninterrupted performance wherever your work takes you. - • **Instant Formula Replay:** Multi-replay function lets you quickly recall and tweak previous calculations—perfect for iterative problem-solving. - • **Master Every Calculation:** 401 versatile functions covering trigonometry, statistics, base-n, and more to power through complex problems effortlessly. ## Overview The Casio FX-991MS 2nd Gen is a non-programmable scientific calculator featuring 401 functions and a 2-line high-resolution dot matrix display. Powered by solar energy with battery backup, it offers reliable performance and easy formula editing through its multi-replay function. Lightweight and compact, it supports advanced calculations including statistics, base-n, matrix equations, and metric conversions, making it an essential tool for professionals and students seeking accuracy and efficiency. ## Description Product Description Non Programmable. Number of functions : 401. Digits: 10 + 2 digits (10-digit mantissa + 2-digit exponential display). Dot matrix display: High-resolution screen provides beautiful looking graphs every time. Regular percent: Regular percentage calculations. Multi-replay: Quick and easy recall of previously executed formulas for editing and re-execution. Solar and battery: Solar powered when light is sufficient, battery powered when light is insufficient. Plastic keys: Designed and engineered for easy operation. S-V.P.A.M. (Super Visually Perfect Algebraic Method): All the features of the existing V.P.A.M. series plus a new 2-line display and a useful Replay function. All this helps to make mathematics easier to use and easier to understand than ever before. STAT-data editor: Back-step viewing and editing of input data. Scientific constants: You can use constant symbols used in physics, science classes. Base-n calculation: Binary/Octal/Hexadecimal. Basic mathematical Functions: Trigonometric, exponential logarithmic, etc. Basic statistics: Standard statistics functions such as Mean, SUM, Standard deviation and Regression Differentiation. Metric conversion function: You can convert a number in one unit to a number in a different unit. Matrix equation, Integration, complex number calculation, non graphing. Dimensions(D × W × H): 161.5×77×11.1mm. Weight: 95g. Legal Disclaimer “CASIO” is the registered trademarks in India of CASIO COMPUTER CO., LTD., JAPAN. Any infringement of the registered trademarks or other intellectual property rights of the right holder shall be subject to appropriate legal action by the right holder. Appario Retail Private Limited, Bappa Associates and Crystalarc Lifestyle are the authorized online sellers for Casio calculators on this online portal. ## Features - Calculator ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07TTGZWS1 | | Best Sellers Rank | 44,980 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 102 in Scientific Calculators | | Box Contents | 1 Warranty Card with Serial Number, 1 warranty condition sheet, 1 x Calculator, 1 x User Manual not in English), 1 x user manual (may not Not in English) | | Brand Name | Casio | | Calculator Type | Engineering/Scientific | | Colour | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (4,861) | | Display Type | LCD | | EU Spare Part Availability Duration | 3 Years | | Enclosure Material | Plastic | | Item Dimensions L x W | 16.2L x 7.7W centimetres | | Item Type Name | Scientific | | Item Weight | 95 Grams | | Manufacturer | Casio | | Manufacturer Part Number | C77 | | Model Name | FX-991MS-2 | | Model Number | FX-991MS-2 | | Number of Batteries | Nonstandard Battery batteries required. (included) | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Solar Powered | | Screen Size | 7 Inches | | Unit Count | 1.0 count | ## Product Details - **Brand:** Casio - **Calculator Type:** Engineering/Scientific - **Colour:** Black - **Display type:** LCD - **Material:** Plastic - **Model name:** FX-991MS-2 - **Number of batteries:** Nonstandard Battery batteries required. (included) - **Power source:** Solar Powered - **Product dimensions:** 16.2L x 7.7W centimetres - **Screen size:** 7 Inches ## Images ![Casio FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display, Black - Image 1](https://m.media-amazon.com/images/I/61HXfPgQcqL.jpg) ## Available Options This product comes in different **Style** options. ## 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? - 🛒 **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.no/products/669442363-casio-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401](https://www.desertcart.no/products/669442363-casio-fx-991ms-2nd-gen-non-programmable-scientific-calculator-401) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*