Casio fx-991DE X with Protective Case Black & Book (128 Pages, DIN A5) – Scientific Calculator – Smart Set

Price: €32.99 - €46.99
(as of Nov 03, 2025 20:02:25 UTC – Details)

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4.8 out of 5 stars 101

4.7 out of 5 stars 2,713

4.0 out of 5 stars 25

4.8 out of 5 stars 101

Price

€46.99€46.99

€38.99€38.99

€139.99€139.99

€46.99€46.99

Taschenrechner

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Schutztasche

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Zusätzliche Sicherheit CALCUSO

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Fachbuch zum Taschenrechner

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CALCUSO Geometrie-Set

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Display Schutzfolie

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Lern-CD

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Batteries ‏ : ‎ 1 LR44 batteries required. (included)
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.1 x 7.7 x 16.55 cm; 3 g
Date First Available ‏ : ‎ 28 Sep 2018
Manufacturer ‏ : ‎ Casio
ASIN ‏ : ‎ B07HRYH8BP
Item model number ‏ : ‎ 4062401022308
Country of origin ‏ : ‎ China
Guaranteed software updates until ‏ : ‎ unknown
Best Sellers Rank: 21,107 in Stationery & Office Supplies (See Top 100 in Stationery & Office Supplies) 76 in Scientific Calculators
Customer reviews: 4.8 4.8 out of 5 stars 101 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‚A‘, ‚ready‘).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‚acrLink-click-metrics‘, ‚click‘, { „allowLinkDefault“: true }, function (event) { if (window.ue) { ue.count(„acrLinkClickCount“, (ue.count(„acrLinkClickCount“) || 0) + 1); } } ); } }); P.when(‚A‘, ‚cf‘).execute(function(A) { A.declarative(‚acrStarsLink-click-metrics‘, ‚click‘, { „allowLinkDefault“ : true }, function(event){ if(window.ue) { ue.count(„acrStarsLinkWithPopoverClickCount“, (ue.count(„acrStarsLinkWithPopoverClickCount“) || 0) + 1); } }); });

The smart package from Calcuso offers an ideal combination of the powerful Casio fx-991DE X, a robust protective case from WYNGS and a practical reference book. It is perfect for everyday use in school, study and office and ensures reliable calculations, secure protection on the go and valuable additional knowledge.
The Casio fx-991DE X is a powerful calculator with 552 functions, including math, trigonometry and statistics. With its clear display and long battery life, it is perfect for use in school and study.
Robust WYNGS protective case: the protective case provides optimal protection for your Casio fx-991DE X. It reliably protects against splashes, bumps and scratches – perfect for on the go, school or study. So your calculator stays ready for longer
Specialist book and extended guarantee: In addition to the calculator, the set contains a practical reference book with 128 in DIN A5, which explains important mathematical concepts easily understandable and supports learning. In addition, you benefit from the exclusive CALCUSO warranty extension to 5 years, so you are protected in the long term – for reliability at school, study and work.
The set includes the Casio fx-991DE X, a WYNGS protective case in black, a reference book to support learning and the extended Calcuso guarantee. Perfect for school, study and work