43S News
Re: 43S News
I think I have identified a bug that I want to submit to you.
When I loaded the pgm file into my DM42, I noticed that when I accessed the Info menu and wanted to know the battery status, I got the value -NaN999... . It doesn't work on the emulator either.
Regards,
Patrick
When I loaded the pgm file into my DM42, I noticed that when I accessed the Info menu and wanted to know the battery status, I got the value -NaN999... . It doesn't work on the emulator either.
Regards,
Patrick
Unit SN: 00044
DM42 Keyboard Overlays - Update
I have found some thinner material for a possible keyboard overlay for the DM42.
It is styrene sheet 0.20mm thick. My HP-41CV Overlay that came with the calculator measures 0.30mm thick.
This material cuts very cleanly on the laser so it will look very professional.
The samples shown in the photo are white but it comes in black also. I had white scraps in stock so I used it for experimentation.
The only problem is this is still too thick to fit in the slots on the side of the DM42 keyboard...
Any thinner and the durability may suffer.
It is styrene sheet 0.20mm thick. My HP-41CV Overlay that came with the calculator measures 0.30mm thick.
This material cuts very cleanly on the laser so it will look very professional.
The samples shown in the photo are white but it comes in black also. I had white scraps in stock so I used it for experimentation.
The only problem is this is still too thick to fit in the slots on the side of the DM42 keyboard...
Any thinner and the durability may suffer.
DM42 SN: 3682
HP-15C and HP-16C (Bought originally by me in the 80's)
HP-67 and HP-55
HP-48G
MK-52
HP-15C and HP-16C (Bought originally by me in the 80's)
HP-67 and HP-55
HP-48G
MK-52
- Over_score
- Posts: 58
- Joined: Fri May 05, 2017 7:37 pm
- Location: France
Re: 43S News
Thank you for reporting. It's fixed now.
DM42 (SN 00284 & 03835), DM15L, HP41CV, HP42S, HP35s, WP34S, HP Prime
- Over_score
- Posts: 58
- Joined: Fri May 05, 2017 7:37 pm
- Location: France
Re: Fault report
Thank you for reporting. It's fixed now.
DM42 (SN 00284 & 03835), DM15L, HP41CV, HP42S, HP35s, WP34S, HP Prime
- Over_score
- Posts: 58
- Joined: Fri May 05, 2017 7:37 pm
- Location: France
Re: Fault report
It's fixed but keep following in mind:
2^55 = 36 028 797 018 963 968
and
2.^55 = 3.602 879 701 896 397x10^16 = 36 028 797 018 963 970.
This is because the SP real data type has only 16 significant digits and 2^55 has 17 digits.
So: 2.[ENTER]55[y^x]2[ENTER]55[y^x][-] results in 2 and not 0
DM42 (SN 00284 & 03835), DM15L, HP41CV, HP42S, HP35s, WP34S, HP Prime
- Over_score
- Posts: 58
- Joined: Fri May 05, 2017 7:37 pm
- Location: France
Re: Fault report
I experience the same issue on Linux but not on Windows... For now I have no idea what the problem is. I think it's the same as https://gitlab.com/Over_score/wp43s/issues/297 reported August 4th
DM42 (SN 00284 & 03835), DM15L, HP41CV, HP42S, HP35s, WP34S, HP Prime
Re: Fault report
Thank you. Great!Over_score wrote: ↑Tue Sep 10, 2019 8:33 pmIt's fixed but keep following in mind:
2^55 = 36 028 797 018 963 968
and
2.^55 = 3.602 879 701 896 397x10^16 = 36 028 797 018 963 970.
This is because the SP real data type has only 16 significant digits and 2^55 has 17 digits.
So: 2.[ENTER]55[y^x]2[ENTER]55[y^x][-] results in 2 and not 0
I understand. That is what I tried to say in red above but failed, but you explained perfectly and in the right terminology. Thank you.
J
Jaco Mostert
Elec Eng, South Africa
WP34C, HP42S, DM42 for complex math; 35S, 28C, 32Sii, WP34S, EL-506P, EL-W506, PB700; owned FX702P & 11C; used 67 & 85. iOS: 42s (Byron), Free42, WP31S/34S, HCalc.
43S operators right. DM42 sn. 03818.
Elec Eng, South Africa
WP34C, HP42S, DM42 for complex math; 35S, 28C, 32Sii, WP34S, EL-506P, EL-W506, PB700; owned FX702P & 11C; used 67 & 85. iOS: 42s (Byron), Free42, WP31S/34S, HCalc.
43S operators right. DM42 sn. 03818.
Fault report
Fault report.
I like the keyboard change, those changes make it a lot better.
I downloaded a new tar.gz and compiled a Mac version from scratch. Ensured the bin file was deleted.
I tried some values for x! and found the following:
290! used to work. I used it to demo longints by (290! +1) - 290!. It does not do that any more. It crashes with segmentation error 11.
Reducing the number in steps, it keeps on crashing for 200!, 150!, 100!, 90!, 80!, 50!, restarting every time until I get to 40!. At 40! it does not crash and gives an answer.
Restarting again without bin file: directly starting at 40! works, then subsequently doing 150! works, but the next digit pressed causes a crash.
Restarting again without bin file: directly starting at 40! works, then 200! crashes.
Not sure if this is again the same longint crash that you know about (refer 77^88 a few messages above), but it changed now.
Trying reals: 204.! works. Same as previously. 205.! does not work, as previously. Did not crash.
Jaco
I like the keyboard change, those changes make it a lot better.
I downloaded a new tar.gz and compiled a Mac version from scratch. Ensured the bin file was deleted.
I tried some values for x! and found the following:
290! used to work. I used it to demo longints by (290! +1) - 290!. It does not do that any more. It crashes with segmentation error 11.
Reducing the number in steps, it keeps on crashing for 200!, 150!, 100!, 90!, 80!, 50!, restarting every time until I get to 40!. At 40! it does not crash and gives an answer.
Restarting again without bin file: directly starting at 40! works, then subsequently doing 150! works, but the next digit pressed causes a crash.
Restarting again without bin file: directly starting at 40! works, then 200! crashes.
Not sure if this is again the same longint crash that you know about (refer 77^88 a few messages above), but it changed now.
Trying reals: 204.! works. Same as previously. 205.! does not work, as previously. Did not crash.
Jaco
Jaco Mostert
Elec Eng, South Africa
WP34C, HP42S, DM42 for complex math; 35S, 28C, 32Sii, WP34S, EL-506P, EL-W506, PB700; owned FX702P & 11C; used 67 & 85. iOS: 42s (Byron), Free42, WP31S/34S, HCalc.
43S operators right. DM42 sn. 03818.
Elec Eng, South Africa
WP34C, HP42S, DM42 for complex math; 35S, 28C, 32Sii, WP34S, EL-506P, EL-W506, PB700; owned FX702P & 11C; used 67 & 85. iOS: 42s (Byron), Free42, WP31S/34S, HCalc.
43S operators right. DM42 sn. 03818.
Re: Fault report
Thanks for reporting this fault. Glad you like it.
This is due to the SP number range - please see the error message - it is no fault.I tried some values for x! and found the following:
...
Trying reals: 204.! works. Same as previously. 205.! does not work, as previously. Did not crash.
DM42 SN: 00041 --- Follower of Platon.
HP-35, HP-45, ..., HP-50, WP 34S, WP 31S, DM16L
HP-35, HP-45, ..., HP-50, WP 34S, WP 31S, DM16L
Re: Fault report
Sorry for not being clear. The last part re reals was not a fault report, it was just a confirmation that all is still normal and no crashes occurred using reals: sort of a control case if you like to confirm the scope of the previously mentioned crashes.Walter wrote: ↑Sat Sep 21, 2019 9:05 amThanks for reporting this fault. Glad you like it.This is due to the SP number range - please see the error message - it is no fault.I tried some values for x! and found the following:
...
Trying reals: 204.! works. Same as previously. 205.! does not work, as previously. Did not crash.
J
Jaco Mostert
Elec Eng, South Africa
WP34C, HP42S, DM42 for complex math; 35S, 28C, 32Sii, WP34S, EL-506P, EL-W506, PB700; owned FX702P & 11C; used 67 & 85. iOS: 42s (Byron), Free42, WP31S/34S, HCalc.
43S operators right. DM42 sn. 03818.
Elec Eng, South Africa
WP34C, HP42S, DM42 for complex math; 35S, 28C, 32Sii, WP34S, EL-506P, EL-W506, PB700; owned FX702P & 11C; used 67 & 85. iOS: 42s (Byron), Free42, WP31S/34S, HCalc.
43S operators right. DM42 sn. 03818.