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retrocomputers

Hewlett Packard HP-28S RPN programmable scientific calculator (1988)

en.wikipedia.org/wiki/HP-28_series

www.hpmuseum.org/hp28c.htm

 

Some emulators:

www.hpcalc.org/hp48/pc/emulators/

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Uploaded on February 25, 2017
Taken on February 25, 2017

Hewlett Packard HP-28S RPN programmable scientific calculator (1988)

en.wikipedia.org/wiki/HP-28_series

www.hpmuseum.org/hp28c.htm

 

Some emulators:

www.hpcalc.org/hp48/pc/emulators/

1,203 views
1 fave
0 comments
Uploaded on February 25, 2017
Taken on February 25, 2017
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