Search found 10 matches

by J Peters
Tue Feb 25, 2020 4:30 pm
Forum: Usage tips, tricks and problem reports
Topic: Change Auto-Power-Off Time?
Replies: 12
Views: 3843

Change Auto-Power-Off Time?

Is the auto-power-off time fixed on the DM42, or can it be changed somewhere? Thanks.
by J Peters
Fri Jan 10, 2020 10:29 pm
Forum: Usage tips, tricks and problem reports
Topic: Having Trouble with User-Programmed Menus (Programming Query)
Replies: 2
Views: 2181

Re: Having Trouble with User-Programmed Menus (Programming Query)

Brilliant! Thank you so much, I love this forum. When I first got the calculator I found programming it very complicated, so apart from using it as a 'straight' scientific, I haven't done much with it. I'm currently writing my own programming manual, really more of an idiot-aid, a few sheets of A4 w...
by J Peters
Fri Jan 10, 2020 8:38 pm
Forum: Usage tips, tricks and problem reports
Topic: Having Trouble with User-Programmed Menus (Programming Query)
Replies: 2
Views: 2181

Having Trouble with User-Programmed Menus (Programming Query)

Hi, I bought my DM42 nearly two years ago but am only just progressing to some of the more advanced programming techniques. Not enough time to play with it unfortunately. I've used the term 'user' here to mean 'the person running a program I've written', even though this will usually be myself :D I ...
by J Peters
Sat May 05, 2018 12:04 pm
Forum: Usage tips, tricks and problem reports
Topic: What is saved as a 'State'?
Replies: 2
Views: 1147

Re: What is saved as a 'State'?

Thank you. I did assume it wouldn't store/re-load the date and time as that would be Very Silly :lol: , but I wasn't sure if there was anything else that didn't get saved.
by J Peters
Fri May 04, 2018 10:12 pm
Forum: Usage tips, tricks and problem reports
Topic: What is saved as a 'State'?
Replies: 2
Views: 1147

What is saved as a 'State'?

Just how much is stored in a State file please? Does it include the current values of variables, registers, stack etc? What about loaded programs?

Or maybe I should ask if there is anything that isn't saved?

Many thanks,
by J Peters
Fri Apr 27, 2018 5:36 pm
Forum: Usage tips, tricks and problem reports
Topic: Programmatically Preserving Last-X Stack Register
Replies: 3
Views: 1350

Re: Programmatically Preserving Last-X Stack Register

Very many thanks for the replies. If I use a register variable then there is no need to clear it, so this gets the code down to 3 lines, and either of these work. Assumes original input value is in R 00 : X<> ST L X<> R 00 X<> ST L or X<> R 00 X<> ST L X<> R 00 Edit: Actually I think this is better:...
by J Peters
Thu Apr 26, 2018 11:16 am
Forum: Usage tips, tricks and problem reports
Topic: Programmatically Preserving Last-X Stack Register
Replies: 3
Views: 1350

Programmatically Preserving Last-X Stack Register

This is a question about programming practice/methodology. I have written a some programs which take a numeric input from the X-register and perform some function on it, leaving the result(s) on X (and sometimes on Y if two parameters need outputting). After the program has run, the Last-X register ...
by J Peters
Tue Apr 24, 2018 11:23 pm
Forum: Usage tips, tricks and problem reports
Topic: A practical use for OFFIMG
Replies: 10
Views: 3566

Re: A practical use for OFFIMG

A potential thief might return the calculator once they try and use it and realise it's "broken" because 2+2 yields 2 and where the hell is the [=] key? :lol:
by J Peters
Mon Apr 23, 2018 12:13 pm
Forum: Usage tips, tricks and problem reports
Topic: Noob Questions
Replies: 8
Views: 2536

Re: Noob Questions

Thank you very much, just what I was looking for.
by J Peters
Sun Apr 22, 2018 7:43 pm
Forum: Usage tips, tricks and problem reports
Topic: Noob Questions
Replies: 8
Views: 2536

Noob Questions

OK I hope these aren't too obvious but I'm a new user of a DM42. Never owned an HP42s, coming instead from HP35s. I've had a few days to play with it and got a few questions. I have read the original HP42s manual and the documentation on the DM42 but cannot find these: 1. Can't see how to change dat...