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Casio FX-991DE X

PRO rating
How it works?
How it works?
  1. User ratingsUser ratingsratings of product added by Productz users
  2. Expert ratingsExpert ratingsexperts ratings from editorial reviews
  3. Consumer ratingsConsumer ratingsratings from the biggest online stores worldwide
Legend
  1. Excellent
  2. Good
  3. Poor
  4. Average
4.2
based on all reviews
User ratings:
65
3.6 out of 5
65 user ratings
5 stars
24 %
4 stars
30 %
3 stars
30 %
2 stars
9 %
1 stars
4 %
Consumer ratings:
4.8 / 5

Cons

  • /dx and integrals are not allowed in the solver
  • It is a much larger ppc
  • doesn't have a display window
More pros & cons

Key specs

  • 2
  • no
  • no
  • no
  • Solar, Battery
  • Pocket
  • Scientific calculator
Go to full specs

Often compared with

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Colors

Contents

Casio FX-991DE X - Pros & Cons

Casio FX-991DE X

Cons

  • /dx and integrals are not allowed in the solver
  • It is a much larger ppc
  • doesn't have a display window
  • since contrast suffers as a result

Casio - Video Reviews (1)

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Casio FX-991DE X - Full Specifications

Units:
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Technical details
TypeScientific calculator
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Dimensions
Width3.03 in
Height0.44 in
Depth6.52 in
Weight3.17 oz
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Connectivity
Data transferno
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Design
Colour of productBlack
Control typeButtons
Form factorPocket
Coveryes
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Display
Number of display lines2
Display typeLCD
Display tiltingno
Second displayno
Display lightno
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Power
Power source
  • Solar
  • Battery
Battery operatedyes
Battery typeLR44
Number of batteries required1
External power connection
  • External source
  • Solar cell

Casio FX-991DE X - Q&A

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Often compared with Casio FX-991DE X

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