|HP 20b converted|
Message #1 Posted by Walter B on 25 June 2008, 7:26 p.m.
There was an attempt in an earlier thread to convert the new HP 20b platform into something useful for science and engineering. Obviously, as several members noticed there, this attempt was based on the naive assumption that 20 years of technological progress would allow for a user interface maintaining at least the level of the HP 27S, 42S, or 17bII, to name some well known examples. Alas, I was told this is not the case.
Additionally, repeated wishes were heard for a non-programmable scientific calc. So, after some discussions with my one-man rapid prototyping team (the other half of me), and some thoughts about a transition from HP 42S to 42SI, SII, and SIII, eventually a 42SN emerged. "N" stands for "NON-programmable" here. Everything else may be featured like in a programmable calc - please see the respective models. FWIW, this is how said 42SN is looking now:
With the aid of the recent 2 editions of Datafile, the menu structure and almost everything else shall be self-explanatory ;)
Ceterum censeo a full dot matrix LCD is worthwile.
Best regards, Walter
Edited to correct typos and to delete the FLAGS menu Don rightfully criticized in his post below.
Edited: 26 June 2008, 5:18 p.m. after one or more responses were posted