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Last database update :
04-21-2014


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Citizen  831RD  aka 831RD III  version 3   (no picture)
 

Uses a separable batteries pack.
 
Introduction date<=1979
End date>=1979
Type4 funct
Last update date2011_10_11
ProgrammableN
RAM size1
ROM size
Number of functions10+4mem
Alpha capabilitiesN
Number of keys28
Display typeVFD
Number of digits on display10+indic
Graphical (X x Y)N
Extention(s)N
PrinterN
SavingN
Date or clock capabilitiesN
MicroprocessorNec D1001C
Functions list1/x x^2 Pi Sqrt +/- % CM RM M- M+
Size (length x width x thickness)165x86x22
Weight206gr
Batteries2xAA
External powerY
Power consumption
Twin
Made in
Link(s)

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