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Last database update :
04-21-2014


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  Hewlett-Packard  21  aka Woodstock PUMPKIN   (4 pictures)
 

 
Hewlett-Packard 21

Hewlett-Packard 21

Hewlett-Packard 21

Hewlett-Packard 21

Introduction date01/02/1975
End date1978
TypeRPN Scientifique
Last update date2010_02_11
ProgrammableN
RAM size1
ROM size
Number of functions25+6mem
Alpha capabilitiesN
Number of keys30
Display typeLED
Number of digits on display12.
Graphical (X x Y)N
Extention(s)N
PrinterN
SavingN
Date or clock capabilitiesN
Microprocessor
Functions list1/x sin cos tan x<>y Rv e^x Enter^ CHS EEX DSP x^2 asin acos atan ->R ->P LN LOG 10^x Sqrt Pi STO RCL M- M+ Mx M/
Size (length x width x thickness)129x67x29
Weight170gr
Batteries2xAA
External powerY
Power consumption
Twin
Made inSingapore
Link(s)

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