Draft:Casio fx-991 CW

Submission declined on 24 December 2024 by Ktkvtsh (talk).

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Declined by Ktkvtsh 3 seconds ago. Last edited by Ktkvtsh 3 seconds ago. Reviewer: Inform author.

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Comment: Zero sources. Ktkvtsh (talk) 17:16, 24 December 2024 (UTC)

This article is a stub. You can help Wikipedia by expanding it.

The Casio fx-991 CW is a calculator manufactured by Casio designed for both educational and professional use. It is a part of Casio’s popular fx-991 series, which is known for its wide range of functions, ease of use, and reliability.

Key features

1. Natural Display (Textbook Display) – It shows mathematical expressions as they appear in textbooks, making it easier to understand and interpret calculations, especially for more complex equations.

2. Multi-replay Function – This allows you to go back and edit previous calculations, which can save time and make calculations more efficient.

3. Solar + Battery Power – It has both solar and battery power options, making it reliable in a variety of environments.

4. Advanced Mathematical Functions – It includes a wide range of functions for algebra, calculus, trigonometry, statistics, and other mathematical fields. This includes features such as fractions and mixed fractions, complex number calculations, differential and integral calculus, matrix operations, statistical analysis (mean, standard deviation, regression, etc.) and solving equations.

5. Fraction, Decimal, and Binary Mode – You can easily switch between different numerical representations, like fractions and decimals, which is particularly helpful for students.

6. Large Display – The display is large enough to show multiple lines of calculations, making it easier to read and understand your results.

Draft:Casio fx-991 CW

Key features

References