FX-920
  • True algebraic logic operation
  • Standard deviations
  • 18 levels of parentheses
    *Amorphous silicon solar battery.

 
FX-78
  • Auto power-off function with memory retention
    *230 hours on two LR1130 batteries (1,000 hours on type SR1130 (G-10))
 
 
 
FX-8100
  • Clock
  • Calendar
  • Alarm
  • Countdown alarm
  • Stopwatch
    *1 year on two SR1130 (G-10) or S-89 batteries.
 
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