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

Casio FX-115ES PLUS Calculator
Casio FX-115ES PLUS
3.15 in
0.48 in
Casio FX-991ES Calculator
Casio FX-991ES
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 %
158
3.3 out of 5
158 user ratings
5 stars
25 %
4 stars
15 %
3 stars
32 %
2 stars
18 %
1 stars
6 %

Full Comparison

Technical details

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991ESCasio FX-991ES
TypeScientific calculatorScientific calculator

Design

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991ESCasio FX-991ES
Colour of productPurple,Silver
  • Silver
  • White
Form factorPocketPocket

Display

Casio FX-115ES PLUSCasio FX-115ES PLUS
Casio FX-991ESCasio FX-991ES
Number of characters per line1212
Display tiltingnono
Second displaynono
Display lightnono

Power

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

Pros & Cons

Pros
      Cons

          Often compared with Casio FX-115ES PLUS

          Often compared with Casio FX-991ES