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Compare 3 products

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Casio FX-85ES Calculator
Casio FX-85ES
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Casio FX-991ES Calculator
Casio FX-991ES
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Casio FX-991ES Plus Calculator
Casio FX-991ES Plus
Available colors
User rating
74
3.6 out of 5
74 user ratings
5 stars
21 %
4 stars
29 %
3 stars
35 %
2 stars
12 %
1 stars
1 %
158
3.3 out of 5
158 user ratings
5 stars
25 %
4 stars
15 %
3 stars
32 %
2 stars
18 %
1 stars
6 %
300
3.4 out of 5
300 user ratings
5 stars
22 %
4 stars
19 %
3 stars
36 %
2 stars
16 %
1 stars
5 %

Technical details

TypeScientific calculatorScientific calculatorScientific calculator

Design

Colour of productBlack
  • Silver
  • White
  • Grey
  • Violet,White
Control typeButtonsButtonsButtons
Form factorPocketPocketPocket
Digit comma separator
N/A
N/A
yes
Cover
N/A
N/A
no

Dimensions

Width0.5 in3.15 in3.15 in
Height0.54 in0.48 in0.44 in
Depth6.34 in6.34 in6.38 in
Weight3.88 oz3.7 oz3.35 oz

Display

Number of characters per line151215
Number of display lines224
Display typeDot-matrixDot-matrixDot-matrix
Display tiltingnonoyes
Second displaynonono
Display lightnonono

Connectivity

Data transfernonono

Features

Equation solveryesyesyes
Statistical functionsyesyesyes
Complex functions
N/A
yesyes
Matrices
N/A
yesyes
CAS
N/A
N/A
yes

Power

Power source
  • Solar
  • Battery
  • Solar
  • Battery
  • Solar
  • Battery
Battery operatedyesyesyes
Battery typeLR44AAALR44
External power connectionSolar cellSolar cell
  • Solar cell
  • USB
  • External source
Auto power off
N/A
N/A
yes
Number of batteries required
N/A
N/A
1

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Often compared with Casio FX-991ES Plus