HP calculator geneology
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02-03-2015, 09:13 PM
(This post was last modified: 02-03-2015 09:14 PM by Han.)
Post: #3
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RE: HP calculator geneology
(02-03-2015 08:19 PM)rprosperi Wrote:(02-03-2015 08:08 PM)Han Wrote: Could someone give a quick "geneology" or "family tree" of the various HP calculators. For example, the HP48G series was a direct descendant of the HP48S series, and the HP49G of the HP48G series. Is there some place where I may find the entire family tree of HP's calculators and handhelds? Haha! I'm not even sure what I mean my "descended" to be quite honest. That's why I picked the more "obvious" examples :-) I think the 39/40GS were "descendants of the HP38G, which was a descendant of the HP48G. My own personal interpretation is that they shared ROM source. The HP48G built upon the ROM from the HP48S. The HP38G used the HP48G ROM and added stuff (applets) as well as removed stuff (eq lib, ports, etc). That said, I'm open to any reasonable interpretation of "descendant" -- I'm mostly interested in how these calculators are related. I learned recently that the 71B had its sources available so I went ahead and bought a copy of the MoHPC documents to see for myself how of the original code stayed in the later models. Graph 3D | QPI | SolveSys |
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