Best Casio Scientific Calculator for Students: FX-991ES Plus vs FX-991EX vs FX-991CW Comparison

Engineering life
17 Sept 202402:42

Summary

TLDRThis video compares three scientific calculators: the Casio fx-991 ES+, fx-991 EX, and fx-991 CW. It highlights differences in functionality, performance, ease of use, display quality, and build. The fx-991 EX and fx-991 CW offer more advanced features and faster performance than the fx-991 ES+, with the fx-991 CW excelling in speed and additional features like dice rolls and coin tosses. However, the fx-991 CW's design is less user-friendly. While the fx-991 ES+ has a simpler design and better build quality, the fx-991 EX provides a more balanced choice for those needing both advanced functions and usability.

Takeaways

  • 😀 The fx991 ES, fx991 EX, and fx991 CW are all models in the fx991 series, each with different features and capabilities.
  • 😀 The fx991 ES has more limited functionality compared to the fx991 EX and fx991 CW, lacking support for complex calculations like 4x4 matrices and powers of four terms.
  • 😀 Both the fx991 EX and fx991 CW can perform advanced calculations like finding roots, powers of four terms, and 4x4 matrices.
  • 😀 The fx991 CW has an additional feature for calculating dice rolls and coin tosses, though it's rarely used.
  • 😀 The display on the fx991 EX and fx991 CW is better, while the fx991 ES+ has a pixelated display with a blue tint.
  • 😀 The fx991 ES+ performed the slowest in speed tests, while the fx991 CW performed the fastest, with the fx991 EX and fx991 ES+ being fairly equal.
  • 😀 Both the fx991 ES+ and fx991 EX are easy to use, but the fx991 CW is less user-friendly due to its design, with fewer buttons and functions hidden in the software.
  • 😀 The build quality of the fx991 ES+ and fx991 EX features metal buttons with good color contrast, whereas the fx991 CW has plastic buttons with little color contrast.
  • 😀 The fx991 EX and fx991 CW offer superior functionality, performance, and display quality compared to the fx991 ES+.
  • 😀 The fx991 CW excels in speed and includes extra features, but its design might make it harder to use, especially for those accustomed to more buttons.

Q & A

  • What is the primary difference in functionality between the fx991 es+, fx991 ex, and fx991 CW calculators?

    -The fx991 es+ has more limited functionality, lacking support for calculating roots, powers of four terms, and 4x4 matrices, while both the fx991 ex and fx991 CW can handle these advanced calculations.

  • Which calculator excels in speed performance?

    -The fx991 CW leads in speed performance compared to the other models.

  • What unique feature does the fx991 CW offer that the other models do not?

    -The fx991 CW includes a feature for calculating dice rolls and coin tosses, though it is rarely used.

  • How do the displays of the fx991 es+, fx991 ex, and fx991 CW differ?

    -The display of the fx991 es+ has a blue tint and appears pixelated, whereas the displays of the fx991 ex and fx991 CW are clearer and more visually appealing.

  • Which calculator performs best in terms of display quality?

    -The fx991 ex and fx991 CW have superior display quality compared to the fx991 es+.

  • How does ease of use compare between the fx991 es+, fx991 ex, and fx991 CW?

    -The fx991 es+ and fx991 ex are equally easy to use, while the fx991 CW's design makes it harder to use due to fewer buttons and functions being hidden in the software.

  • What is the main issue with the fx991 CW's design in terms of usability?

    -The fx991 CW's design is less user-friendly due to having fewer buttons and some functions being hidden within the software.

  • Which calculator has the best build quality?

    -The fx991 es+ and fx991 ex feature metal buttons with good color contrast, offering better build quality compared to the plastic buttons and lack of contrast on the fx991 CW.

  • Which calculator is the most suitable for advanced mathematical calculations?

    -The fx991 ex and fx991 CW are more suitable for advanced mathematical calculations, as they can handle more complex operations like 4x4 matrices and finding roots.

  • In terms of build quality, how does the fx991 CW compare to the other models?

    -The fx991 CW is built with plastic buttons that have little to no color contrast, which makes it feel less durable compared to the metal buttons of the fx991 es+ and fx991 ex.

Outlines

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Keywords

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Highlights

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Transcripts

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Calculator ComparisonCasio fx991FunctionalitySpeed TestDisplay QualityEase of UseBuild QualityPerformanceAdvanced CalculationsTech ReviewUser Preferences
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