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I found a list of series names on http://www.hpmuseum.org/collect.htm and could give to all my HP calculators a series name. But I didn't found such a name for the 42S ?! Anyone could help me about this ?

Thank you in advance.

The 42S is a member of the Pioneer series. The code name of the 42S during product development was "DaVinci".

These factoids and more can be found here:
https://en.wikipedia.org/wiki/HP-42S#Specifications

(10-05-2018 11:32 PM)Joe Horn Wrote: [ -> ]The 42S is a member of the Pioneer series. The code name of the 42S during product development was "DaVinci".

Wow, thank you Joe ! It was the festest answer I ever received ! Awesome !

There’s some more info here:

http://www.hpmuseum.org/collect.htm#series