We're getting a little O.T. here, but as long as we're talking about other forums and their focuses--
whartung wrote:
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I want to get the NoV-64 module which has 48K ROM and 64K RAM, and have it flashed with at least the new 41Z module image which gives the 41 a true complex 4-level stack and a ton of complex-number functions, and the Sandmath module, both of which are stunning in their capabilities. My own interest was for the 41 and 71 which could be used as instrument controllers on the workbench, and most of those men are instead into it for the math, so I ignore a lot of the topics.
Yea, my father (I think wisely) got me the 15C instead of a 41. As a computing engine and peripheral, the 41 is an amazing device. As a calculator, I think the 15C was pretty remarkable.
It was, and it still goes for very high prices on eBay. There are a lot of people who want HP to bring back the 15c. The 41 was losing its advantage with the 15c (scientific), 16c (computer science), and 12c (financial) calculators coming out, so they made the Advantage plug-in module which took a lot of the routines written in assembly from the CCD, PPC, and other powerful modules, plus the 12c, 15c, and 16c, and improved them further. Now the 41z, Sandmath, and other modules take the 41 way beyond what it could do with the Advantage. The Advantage was kind of clumsy at complex numbers, but the 41z module makes them native, not a jurry-rig, and much faster.
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There's something to be said for keystroke programming vs keying in alphanumeric commands.
[no longer O.T.] Someone here made a comment recently about keystroke programming making it easier to later get into assembly language, something I benefitted from without thinking about it in that way until they said it. I think it's true. It doesn't mean every function has to be on a key (and the 41 with modules plugged in has a bazillion functions that you either spell out, or, for the ones you use most often, assign them to a key on the USER keyboard), but rather that each line is one instruction, often with an operand, but no syntax requirements.
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I managed to get sucked in and bit by the 48g family. What an amazing device.
I have a 50g (the peak of the 48 family?) that someone gave me, and although I know it's very powerful, I know it takes a large time investment to learn to take advantage of it, and I have not put in the time. I just have the manuals that came with it which were absolutely terrible, and a huge turn-off, compared to the HP manuals of the early 1980's. I know there is a much better (and very voluminuous) manual to download, but again, I haven't taken the time. I have seen in many posts however than the user RPL language has a lot in common with Forth.