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Compare 3 products

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Casio FX-570ES Calculator
Casio FX-570ES
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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
66
3.5 out of 5
66 user ratings
5 stars
22 %
4 stars
21 %
3 stars
40 %
2 stars
13 %
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 %
298
3.4 out of 5
298 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 product
  • Black
  • Grey
  • Grey,Silver
  • Silver
  • White
  • Silver
  • White
  • Grey
  • Violet,White
Form factorPocketPocketPocket
Control type
N/A
ButtonsButtons
Digit comma separator
N/A
N/A
yes
Cover
N/A
N/A
no

Dimensions

Width3.15 in3.15 in3.15 in
Height6.34 in0.48 in0.44 in
Depth0.48 in6.34 in6.38 in
Weight3.67 oz3.7 oz3.35 oz

Display

Number of characters per line121215
Number of display lines
N/A
24
Display type
N/A
Dot-matrixDot-matrix
Display tilting
N/A
noyes
Second display
N/A
nono
Display light
N/A
nono

Features

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

Power

Battery operatedyesyesyes
Battery typeAAAAAALR44
Number of batteries required1
N/A
1
Power source
N/A
  • Solar
  • Battery
  • Solar
  • Battery
External power connection
N/A
Solar cell
  • Solar cell
  • USB
  • External source
Auto power off
N/A
N/A
yes

Often compared with Casio FX-991ES

Often compared with Casio FX-991ES Plus