SwissMicros Calculator Forum

Hi! You have to be very carefull when using the USB connection. Because of the shape of the DM42 the cable cannot be fully inserted into the socket. However this seldom give problems - when you know of it. :-) And furthermore it needs to be a data transfer micro USB cable - not just a charging cable...

Works like a charm!! Thank you.

All the best
Peter.

Hi everyone I have a question about firmware updating the DM42 calculator. Does the update leave the calculator to factory defaults after the update has been applied? Because I have a lot of loaded programs, customizations and functions, which it will take quite a time to manually restore to their o...

Try also reading the user manual for the HP 15C calculator, section 3 page 32 about the automatic memory stack. There is a very good illustration on how the memory stack works, and lifting and dropping is explained very well with fine examples. The HP manuals not only explaines the calculator functi...

Hi everyone!

One thing that comes to my mind, are those strange UNIX abbreviations. I have converted one of them to an Offline Image for the DM42.

Wkr. Peter.

Hello Bob

In Denmark the tax is 25% - so using the margin as 20% to calculate tax is ok for this purpose.
Not generally of course - you are absolutely right in that point.

Sorry for confusing you.

With kind regards
Peter

This is great stuff!!

Using the Solver is very efficient - thank you.

Kind regards
Peter.

Hello everyone :) I am trying to write a program for calculating Selling Price (PRC) Cost (CST) Margin (MAR) and Markup (MU) MU is defined as the difference between PRC and CST, divided by CST. MAR is defined as the difference between PRC and CST, divided by PRC. That is: Markup is based on Cost and...

Hello Werner

Trying to encode the program throws this error: "Invalid number format in line 01"

I found out, that it is the character, that is between the line number and the instruction that has to be deleted.

Everything is ok now.

With kind regards
Peter