Indeedee do dee, may the forth be with you.įwiw. Posted in Retrocomputing Tagged calculator, hp41c, retrocomputing Post navigation We wonder if the KIM Uno or 1802UNO could be made to run on the same hardware? Seems like it would.
Free42 on windows 10 software#
We’ve seen another fake HP41C that we think is using the same emulation software but required SMD soldering. Still, what a great calculator and it is fun to see it reborn in modern form. Also, as great as the HP41C was, it didn’t have binary or hex or even octal math unless you used “synthetic programming” and though we imagine the emulators used can handle synthetic programming (sort of assembly language for the HP41C) it was never fun to work on non-decimal problems with this machine. For everyone else, it is usually a bit of a learning curve. Of course, HP calculators used RPN, but if you grew up with a slide rule that’s fine. Then again, the schematics are there so maybe someone will lay out a nice HP41-specific board. We were a little sad that the kit is in an HP15-C like landscape orientation unlike the HP41’s portrait format. What we really liked, though, was the 3D printed cases you can download for the calculators. The display is also backlit, something we all wanted in the original. The machine also has over double the memory the original calculator had along with a real-time clock built-in. As you might expect, this version uses a through-hole ATMEGA328 and even at 8 MHz, the emulation is faster than the original calculator. You can see the device in action in the video below. In fact, the HP emulator will also act like an HP15C or 16C, if you prefer. Didn’t have one? Don’t worry, you can now build your own. It really was a little hand-held computer. If you’ve ever had one, you know that is a marvel of the day’s technology with alphanumeric capabilities and four plug in ports for more memory or ROMs. The HP41C was probably the pinnacle of that trend. But there was that awkward time when calculators were very important and computers were very expensive that calculators tried to be what we needed from full-blown computers.
Free42 on windows 10 full#
If you really need serious number crunching, you’ll turn to a full computer. Sure, calculators are still around, but you are more likely to use your phone. Then there was a time when we all carried calculators. Thanks in advance, and please let me know if this doesn't work as expected, and if so, under which version of Windows, and using which theme setting.There was a time when engineers carried slide rules. For those who are, you can download it from Since I'm not ready for a full all-platform release of Free42 2.0.22 anyway, I was hoping maybe anyone would be interested in trying my Alt-Tab fix as beta testers in the meantime. It works fine, as far as I can tell, in those environments, but I don't have any other Windows environments available at the moment, so I can't vouch for this fix under, say, Windows XP, 7, or 8, and also don't know if this plays well with non-default theme settings.
Free42 on windows 10 windows 10#
I coded it a couple of days ago, and tested it under Windows 10 and Windows Server 2008 R2. I think I finally found a way to fix this. As you may know, there is a long-standing issue with Free42 for Windows, where switching away from it using Alt-Tab, and then back, the keyboard is left in an unresponsive state, where it responds to mouse clicks but not to the PC keyboard.
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