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That value is 2/pi, since the integral from 0 to pi of sin(x), in radians, is exactly 2. Your DM42 will give a more accurate result if you set ACC to something smaller. The integral of sin(x), in degrees, from 0 to 180, is exactly 360/pi, since you're basically stretching one half-wave by a factor o...

I sympathize with those complaints to some extent... When my phone updates a dozen apps, less than a week after the last time I checked for updates, sometimes I do get a bit annoyed myself, and so I try not to add too much to that traffic. But people can complain about the weirdest things! I just ha...

It does look like I am running out of bugs to fix. There's still plenty on my to-do list, but looking at which items affect the core, that is, are not platform-specific user interface issues, this is all I have at the moment: More accurate 2x2 matrix operations More accurate dot product using FMA Be...

X<>Y does not affect LASTX

The copyright message still says 2018... The same thing happened to me in the Windows build. Apparently I missed free42/windows/Free42.rc during my annual copyright year update ritual. Anyone have a clue why the MacOS grep would not find 2018 in that file, despite the fact that the MacOS file says ...

I was speaking tongue-in-cheek, but yes, I think the HP-42S is amazingly well-designed, and in my effort to replicate it, I try to stay as close to that design as I can. I've made exceptions for bugs — don't want to replicate those — and one or two other things, like turning on the up/down annunciat...

Because That's Not How The Real HP-42S Works™

Exactly. In other words, the CUSTOM menu always has three rows, and so the multi-row (up/down) annunciator is always on while CUSTOM is active, whether any assignments have been made or not.

I think everybody here knows by now how a DM42 firmware update works. No need to split hairs over the terminology. On the subject of functionality, these are the four items in Free42 2.0.22 that are relevant to the DM42: INPUT should clear any message from the display before showing the prompt, but ...

Four of the six changes in 2.0.22 affect *all* platforms. They're all pretty minor, but still...