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Casio FX-115ES PLUS vs Casio FX-991EX

Casio FX-115ES PLUS Calculator
Casio FX-115ES PLUS
3.03 in
0.44 in
Casio FX-991EX Calculator
Casio FX-991EX
Available colors
User rating
75
3.7 out of 5
75 user ratings
5 stars
40 %
4 stars
22 %
3 stars
16 %
2 stars
13 %
1 stars
8 %
317
3.3 out of 5
317 user ratings
5 stars
20 %
4 stars
18 %
3 stars
42 %
2 stars
12 %
1 stars
5 %

Video Comparisons (2)

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Full Comparison

Technical details

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991EXCasio FX-991EX
TypeScientific calculatorScientific calculator

Design

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991EXCasio FX-991EX
Colour of productPurple,Silver
  • Black
  • Black,White
Form factorPocketPocket
Coveryesno

Display

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991EXCasio FX-991EX
Number of characters per line1216
Display tiltingnono
Second displaynono
Display lightnono

Power

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991EXCasio FX-991EX
Power source
  • Solar
  • Battery
  • Solar
  • Battery
Battery operatedyesyes
External power connectionSolar cell
  • Solar cell
  • External source

Pros & Cons

Pros
      Cons

          Casio FX-115ES PLUS vs Casio FX-991EX - User Opinions

          • ramona
            over 1 year ago
            A: According to a video on YouTube I watched (narrated by a British fellow), the 991 is the British version of the 115. They are very similar, but the 115 has some additional features, including recurring decimal features, series products, and remainder division.
          • What's the difference between products? Share your opinion.

          Often compared with Casio FX-115ES PLUS

          Often compared with Casio FX-991EX