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Last database update :
04-21-2014


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Royal  81CS  aka EC 41  version 2   (8 pictures)
 

4 switches version, the 4th swithes into RPN mode. Display is also a little smaler than on the version 1.
 
Royal 81CS

Royal 81CS

Royal 81CS

Royal 81CS

Royal 81CS

Royal 81CS

Royal 81CS

Royal 81CS

Introduction date<=1977
End date>=1978
Type4 funct
Last update date2009_12_22
ProgrammableN
RAM size1
ROM size
Number of functions11+3mem
Alpha capabilitiesN
Number of keys27
Display typeVFD
Number of digits on display8 1/2
Graphical (X x Y)N
Extention(s)N
PrinterN
SavingN
Date or clock capabilitiesN
MicroprocessorHitachi HD37852
Functions list1/X Sqrt Pi X^n % Delta% (-) Mout M- M+
Size (length x width x thickness)146x78x18
Weight112gr
Batteries2xAA
External powerY
Power consumption
TwinAdler 81CS (EC41 version 2)
Made inJapan
Link(s)

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