Search found 101 matches

by reavy
Wed Dec 13, 2023 9:17 pm
Forum: OFFIMG library
Topic: Ditherlicious Web app
Replies: 4
Views: 1492

Re: Ditherlicious Web app

This looks really cool! Thanks for sharing!
by reavy
Mon Aug 28, 2023 8:39 pm
Forum: C47/C43, WP43, WP34S
Topic: C47 Performance on DM42 hardware
Replies: 35
Views: 5728

Re: C47 Performance on DM42 hardware

The SM units use austentic stainless steel that isn’t particularly magnetic. Modern Qi transmitters should have good-enough Foreign Object Detection (FOD) to avoid damaging any parts from the high-frequency EM exposure wireless charging induces. Remember that even cell phones that use wireless charg...
by reavy
Tue Sep 20, 2022 12:34 am
Forum: Discuss!
Topic: May 2021 Speculations
Replies: 373
Views: 105736

Re: May 2021 Speculations

Following on Bob’s comment above, why would I want an HP32 clone if I already have an HP42/41 series calculator? Was the HP32 simply more common in its heyday compared to the 41 and 42 and therefore a 32 clone is expected to attract a wider audience, or is the 32 more functional in some way?
by reavy
Fri Jun 03, 2022 1:18 am
Forum: Discuss!
Topic: May 2021 Speculations
Replies: 373
Views: 105736

Re: May 2022 Speculations

HP 32 vs 42 vs 41?

It seems like the 41CX was the ultimate calculator in terms of overall functionality and ignoring price. Would I want to buy a DM32 when I already have the 42 and 41X?
by reavy
Thu Dec 23, 2021 7:22 pm
Forum: Discuss!
Topic: Command line calculator applications
Replies: 5
Views: 2608

Command line calculator applications

What CLI apps are out there for calculators, particularly with RPN support? I am aware of bc and dc (the latter supports RPN input). Are there HP-42s implementations/emulators/clones that run on a CLI, Linux or otherwise? Free42? Anything for HP-41CX? Or for that matter any of the other popular HP c...
by reavy
Sun Oct 17, 2021 10:31 pm
Forum: Hardware issues
Topic: Battery Consumption
Replies: 8
Views: 4175

Re: Battery Consumption

Some battery packs have a(n often undocumented) mode for charging low-current devices. For example, several of My Anker brand battery packs will enter this mode after pressing and holding the button for a few seconds. A green light replaces one of the blue power level indicator lights, and then the ...
by reavy
Wed Sep 22, 2021 4:02 pm
Forum: Bug reports
Topic: [DM15L] trig functions
Replies: 4
Views: 4868

Re: [DM15L] trig functions

My 15C gives -4.1E-10 for SIN(pi) in radians.
by reavy
Wed Sep 22, 2021 3:58 pm
Forum: Hardware issues
Topic: Random Generator in the DM42
Replies: 3
Views: 2043

Re: Random Generator in the DM42

Do they claim how it’s a TRNG? Does it have an antenna for picking up background radio waves or something?
by reavy
Sat Aug 21, 2021 10:15 pm
Forum: Hardware issues
Topic: Battery use while off
Replies: 9
Views: 3825

Re: Battery use while off

I haven’t had this experience, but I have had wildly inconsistent performance between individual CR2032 batteries, even batteries from the same manufacturer and same retail package. Could this be due to the new battery you put in?
by reavy
Wed Aug 11, 2021 6:12 pm
Forum: DM1x/DM41
Topic: DM15L-Benchmark startup never stops + screen metal plate rises
Replies: 3
Views: 3945

Re: DM15L-Benchmark startup never stops + screen metal plate rises

I'm not sure about the never-ending benchmark. The button overlays are known to unstick over time. Gently heating the plate, clamping it down, and letting it cool can sometimes help. Otherwise, you can remove the plate, gently clean all the adhesive and manufacturing residue, and re-stick the plate ...