Product
The Casio FX-991DECW is a German-language scientific calculator designed for students and professionals who require an extensive range of functions for mathematics, engineering, and science. It features over 540 functions and supports natural input and output for formulas.
Specifications
- Natural Textbook Display (Natural V.P.A.M.) technology for clear entry and viewing of mathematical expressions
- Dual power: solar and one LR44 battery
- High-resolution LCD with 10+2 digit display
- Compact design: 77 x 162 x 10.7 mm
- Lightweight: 95 g
- German version with localized menus and specific adaptations
Usage
To operate, use the intuitive keypad and natural display to enter calculations as they appear in textbooks. The calculator is suitable for exams, classwork, and technical problem-solving, offering reliable performance both indoors and in well-lit environments thanks to its dual power system.
FAQ
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What types of functions can the FX-991DECW perform?
- It handles advanced mathematical, statistical, algebraic, and scientific calculations with over 540 functions.
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Is the menu interface in German?
- Yes, the calculator features a German-language menu and specific adaptations for German curricula.
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How is the calculator powered?
- It uses both solar energy and a replaceable LR44 battery for consistent performance.
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What is the display format?
- It features a Natural Textbook Display, allowing input and output in textbook-style notation.
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Is the FX-991DECW allowed in exams?
- Check specific exam regulations, but this model is commonly approved for use in many academic settings.
mvm-dt-2025-07-07
