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Compare 4 products

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Casio FX-115ES PLUS Calculator
Casio FX-115ES PLUS
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Casio FX-991ES Calculator
Casio FX-991ES
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Casio FX-991EX Calculator
Casio FX-991EX
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Texas Instruments TI-30X IIS Calculator
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 %
318
3.3 out of 5
318 user ratings
5 stars
20 %
4 stars
18 %
3 stars
42 %
2 stars
12 %
1 stars
5 %
61
3.7 out of 5
61 user ratings
5 stars
31 %
4 stars
27 %
3 stars
22 %
2 stars
11 %
1 stars
6 %

Technical details

TypeScientific calculatorScientific calculatorScientific calculatorScientific calculator

Design

Colour of productPurple,Silver
  • Silver
  • White
  • Black
  • Black,White
  • Black
  • Blue
  • Green
  • Magenta
  • Orange
  • Pink
Housing materialPlastic
N/A
N/A
Plastic
Form factorPocketPocketPocketPocket
Coveryes
N/A
noyes
Control type
N/A
ButtonsButtonsButtons
Digit comma separator
N/A
N/A
yes
N/A

Display

Number of characters per line12121611
Display tiltingnononono
Second displaynononono
Display lightnononono
Number of display lines
N/A
222
Display type
N/A
Dot-matrixLCD
N/A

Power

Power source
  • Solar
  • Battery
  • Solar
  • Battery
  • Solar
  • Battery
  • Solar
  • Battery
Battery operatedyesyesyesno
Auto power offyes
N/A
N/A
N/A
External power connectionSolar cellSolar cell
  • Solar cell
  • External source
Solar cell
Battery type
N/A
AAALR44
N/A
Number of batteries required
N/A
N/A
1
N/A

Often compared with Casio FX-115ES PLUS

Often compared with Casio FX-991ES

Often compared with Casio FX-991EX