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Compare 5 products

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Ativa AT-711 Calculator
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Casio FX-570ES Calculator
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Casio FX-991ES Plus Calculator
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Casio FX-991EX Calculator
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Casio FX-991MS Calculator
Available colors

Technical details

TypeBasic calculatorScientific calculatorScientific calculatorScientific calculatorScientific calculator

Design

Colour of productSilver
  • Black
  • Grey
  • Grey,Silver
  • Silver
  • White
  • Grey
  • Violet,White
  • Black
  • Black,White
Grey
Form factor
N/A
PocketPocketPocketPocket
Control type
N/A
N/A
ButtonsButtons
N/A
Digit comma separator
N/A
N/A
yesyes
N/A
Cover
N/A
N/A
nonoyes
Housing material
N/A
N/A
N/A
N/A
Plastic

Display

Number of characters per line1012151610
Number of display lines
N/A
N/A
422
Display type
N/A
N/A
Dot-matrixLCD
N/A
Display tilting
N/A
N/A
yesnono
Second display
N/A
N/A
nonono
Display light
N/A
N/A
nonono

Power

Battery operatedyesyesyesyesyes
External power connectionSolar cell
N/A
  • Solar cell
  • USB
  • External source
  • Solar cell
  • External source
Solar cell
Battery type
N/A
AAALR44LR44
N/A
Number of batteries required
N/A
111
N/A
Power source
N/A
N/A
  • Solar
  • Battery
  • Solar
  • Battery
  • Solar
  • Battery
Auto power off
N/A
N/A
yes
N/A
N/A

Often compared with Casio FX-991ES Plus

Often compared with Casio FX-991EX

Often compared with Casio FX-991MS