SwissMicros Calculator Forum

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Walter wrote: ↑

Sun Sep 20, 2020 6:28 pm

AriL wrote: ↑

Sun Sep 20, 2020 2:26 pm

We both need some lessons about getting something out of these nice calcs.

Thomas might need less lessons since the Free42 software is his

I think Ari was referring to himself and his son.

AriL wrote: ↑

Sun Sep 20, 2020 10:36 am

how do I input HP42s manuals' SSS example program, line 11, X(arrow up)2?

X↑2 is how the x² function is displayed, so the keystrokes are [Shift] [√x].

The up-arrow character represents raising to power in this context, and you'll also see it in Y↑X, E↑X, and 10↑X.

(1) [GTO] . and general meaning of the deciimal point From p.111 of the manual, I see that [GTO] . has several reserved meanings. I could brute-force memorize these, but what would be a better way to understand them? In particular, why is the decimal point there at all? Is the appearance of the dec...

It sounds like there is something different between the states of your various Free42 instances. Programs should work the same regardless of which platform you're on, and in the case of Windows 7 vs. Windows 10 you're even running the same executable, so platform-specific bugs in Free42 can't be at ...

Appendix C of the HP-42S Owner's Manual only describes flags 31 and 67 as "reserved" for future use. Is there a more complete and updated catalog of the control flags (11 through 35) and system flags (36 through 80)? I seem to be the only person at the party who doesn't know what each flag signifie...

Free42 shows the same behavior when you do YMD followed by SF 31. It's an odd use case, but flag 31 shouldn't matter when flag 67 is set, so that is a bug. I'll fix it in 2.5.20. UPDATE: Yep, the date2comps() function, which extracts the year, month, and day components from a date, swaps the month a...

rprosperi wrote: ↑

Fri Aug 14, 2020 10:43 pm

DOW returns a number, not a string (Sun=0, Mon=1, etc.)

Yes, but when executed from the keyboard, DOW also displays the day of the week as a 3-character string.

When I call the DATE function, the X-register is: 2,020.0813 This is exactly what I expected. I prefer YMD, and the top strip om my calculator displays 2020-08-13. However, when I call the DOW function when this number is in the X-register, I get: Invalid Data when I expected THU Similarly, when I ...

One thing I don't understand: the time and date functions, which are Free42 extensions to the HP-42S functions. When I call the DATE function, the X-register is: 2,020.0813 This is exactly what I expected. I prefer YMD, and the top strip om my calculator displays 2020-08-13. However, when I call th...