MyCalcDB logo

A Big database for small calculators.

Last database update :
04-21-2014


Home
Presentation
Database
How to ...
Gallery
Links
Thanks
Updates
Changer de langue
 
 
Citizen  820R   (14 pictures)
 

 
Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Citizen 820R

Introduction date<=1974
End date>=1976
Type4 funct
Last update date2010_07_14
ProgrammableN
RAM size1
ROM size
Number of functions7+2mem
Alpha capabilitiesN
Number of keys22
Display typeVFD
Number of digits on display8+indic
Graphical (X x Y)N
Extention(s)N
PrinterN
SavingN
Date or clock capabilitiesN
MicroprocessorNec uPD277C
Functions list+/- Sqrt % M+ RM
Size (length x width x thickness)151x87x34
Weight
Batteries4xAA sealed
External power6VDC 200mA
Power consumption
Twin
Made inJapan
Link(s)

Page displayed 1723 times since 2006-05-10.



If you want to contact me, here is my address ...



Copyright : all the pictures are my property. You can copy and save them but strictly for your own purpose. You are not authorized to modify, diffuse or use them (even partially) for another internet site, or for all other puplic diffusion. You are authorized to create links to MyCalcDB site, but I cannot garantee their reliability in the time. What I can garantee (exept errors) is only the database calculator's id number (for example: id=777 for the HP-55).