Search found 17 matches

by gduncan
Fri Jun 05, 2020 2:26 am
Forum: Usage tips, tricks and problem reports
Topic: [DM42] Bug when turned on?
Replies: 5
Views: 171

Re: [DM42] Bug when turned on?

When I first turn my calculator on after it being off for a little while (I don't know specifically how long), the screen has missing elements. It is not always the same missing elements each time this happens, but it happens every time. Here's a video of a particularly bad example: You may have a ...
by gduncan
Sat May 23, 2020 4:45 pm
Forum: Hardware issues
Topic: New DM 42
Replies: 14
Views: 707

Re: New DM 42

I also had a few keys that were not responding well--they would require much more force beyond the tactile feedback. I've been a DM42 user for years, so I knew that the first thing to try was: Disassemble the calculator by removing the back cover, then release the LCD ribbon cable to release the PCB...
by gduncan
Sat May 16, 2020 4:57 pm
Forum: DM42
Topic: My DM42 Is lost
Replies: 37
Views: 2609

Re: My DM42 Is lost

Received calculator yesterday, May 15. It took 27 days to get to Colorado from Switzerland.
by gduncan
Mon May 11, 2020 2:38 am
Forum: DM42
Topic: My DM42 Is lost
Replies: 37
Views: 2609

Re: My DM42 Is lost

I didn't send anything to SwissMicro as the OP did. I was on the waiting list to get a DM42. I got word that it was available on 18 April and I ordered it immediately. Payment was accepted and they shipped it the same day according to the email they sent. So now it is three weeks later and the DM42...
by gduncan
Sat Dec 15, 2018 3:16 pm
Forum: Hardware issues
Topic: buttons that don't register well
Replies: 194
Views: 56719

Re: buttons that don't register well

• 2 Post-It strips centered on the left enter dome
• Gently flex keys

These mods worked very well for me.
by gduncan
Wed Nov 07, 2018 6:28 pm
Forum: DM42
Topic: Solve Systems of Equation with Complex Coefficients
Replies: 5
Views: 1504

Re: Solve Systems of Equation with Complex Coefficients

Thank you for this information. This is exactly what I needed to know.
by gduncan
Wed Nov 07, 2018 4:15 pm
Forum: DM42
Topic: Solve Systems of Equation with Complex Coefficients
Replies: 5
Views: 1504

Solve Systems of Equation with Complex Coefficients

Is there a way to solve a system of equations on the DM42 with complex coefficients? i.e. A*X=B; where A contains complex numbers of the form a+jb.
Any help would be appreciated.

Thanks,

Greg
by gduncan
Thu May 31, 2018 2:42 pm
Forum: Hardware issues
Topic: buttons that don't register well
Replies: 194
Views: 56719

Re: buttons that don't register well

Got my calculator back today. So far so good, it feels much improved. Glad to hear the good news! Thanks for posting the update. The ENTER key has improved, but it's not a perfect fix. At least it's a bit better. I was skeptical that it could be fixed 100%. I'm not sure what the solution is here. I...
by gduncan
Sun Apr 29, 2018 12:24 pm
Forum: Hardware issues
Topic: buttons that don't register well
Replies: 194
Views: 56719

Re: buttons that don't register well

dove wrote:
Sun Apr 22, 2018 9:00 pm
ETA: Michael was very generous and offered to repair/replace as needed. My DM42 is off to SM. Looking forward to seeing how it turns out!
That's great! Please post an update once you receive the new or repaired DM42. I'm mostly curious to find out if your ENTER key is fixed.
by gduncan
Sat Apr 07, 2018 1:56 pm
Forum: OFFIMG library
Topic: Wild mix
Replies: 1
Views: 2170

Re: Wild mix

These are great. Thanks!