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How to Install/Setup PC to HP41CL Serial Transfer Software? Sparcom Nav Pacs for HP-48/HP-50G calculators Is There A 39gII Applet or Program yet which does RPN? Only slightly OT: HOW TO Setup SVN+SSH on Windows® Now if i can figure out how to overclock this calc, that'll be cool :) Also, when I calculate the impedance of a cap or inductor, I want to see a plot of the impedance vs freq with cursor at the entered freq (maybe this is the split view.) I'm thinking about making tools for calculating pcb trace impedances. It looks like it is possible to add pictures to applets, which will be nice. the views reminded me the event-driven programming.
For my use, I would keep 40gs as is (=cessna) and use the 50g (=fighter jet + airbus). however, after using 50g and 40gs, I find there is a fine line between keeping it simple and complicated.
Units would be nice and also if one could enter multi-character variables in solver. Within a week of use, i don't have a strong feeling of anything missing (for its purpose). Remove those limitations (such as give it units, more flexibility in programming, and some more customization) and I think more people would be willing to give it a shot. It also helped me understand the capability and expandability of 50g because I would go back and try to do the same thing on 50g. ( she was asking for a graphing calculator afterwards :)). I was able to show the concept of graphs to my 7 yrs daughter. They are very simple to operate, and even simpler to explain how to use, but that simplicity definitely puts of those wanting to do things more than 1 or 2 ways that are supported. I do think that everyone discounts the 39/40 though - especially here since they are algebraic only. I think Tim hit it on the head by saying task switching, which is what I was looking for. Push/pop commands with some programming could be a partial work-around. I did implement an RPN mode for it that provides the approximate capability of a HP45 so that I can get my RPN fix and I am just getting back (after 9 months being busy with other things) to working on converting this app to SysRPL to improve the speed (I just wish I could figure out how to load libraries into the Emu48/39g emulator since I currently have an issue with my Parameterized Outer Loop and keep trashing memory during debugging ). Add RPN, a wide enter key, and a few additional features and this machine would be a real winner. I also really like the keyboard color which even though it dies not look quite as "professional" as the 50g is much easier on my eyes. I do wish that the programming language were a little more powerful (the ability to call a subroutine within a program would be nice for example) but even with the current limitations one can do a lot with the calculator.
Overall, I have been very impressed with the machine and it's capabilities and the more I play with aplets the more I like them. It is not an HP50 or even an HP48S/X but it has some really cool features. A little more than a year ago I decided I needed something new to play with and purchased the 39gs.
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I am an old time HP RPN user and for that reason put off trying the 38/39/40 series calcs for years.
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