ET-58 User Manual

[Pierre]

Finally !
I just finished the French version of the user manual for the ET-58 calculator !

You can download it

• in A4 version : ET58_User_Manual_FR_A4.pdf
  or
• in A5 version : ET58_User_Manual_FR_A5.pdf (A4 format with 2 A5 pages)
  

(sorry for non-French speakers, I hope to release an English version soon)
---------------------------------------------------------------------------------------------
Enfin !
Je viens de terminer la version française du manuel utilisateur pour la calculatrice ET-58 !

Vous pouvez la télécharger

• en version A4 : ET58_User_Manual_FR_A4.pdf
  ou
• en version A5 : ET58_User_Manual_FR_A5.pdf (format A4 avec 2 pages A5)
  

(désolé pour les non francophones, j'espère bientôt pouvoir sortir une version en anglais)

MERRY CHRISTMAS

[Helix]

ET-58X...
Where is the link?

[Marc van Lemmen]

Hello Pierre,

Nice Work ! It looks good !

Marc.

[Pierre]

(12-25-2024 02:35 AM)Helix Wrote:  ET-58X...
Where is the link?

Grinch get out of this body!
There are always kids unwrapping their Christmas presents and complaining about not having another model.

For the ET-58X I'll have to ask Miroslav its designer.
In any case he appreciated my effort, him, for the manual since he added it on his site.

[Pierre]

(12-25-2024 07:46 AM)Marc van Lemmen Wrote:  Nice Work ! It looks good !

Hi Marc,

I sent your calculator addition photos to Miroslav.
Answer from him:

Quote:The USBASP interface is useful. When designing the calculator, I was limited by amateurish PCB fabrication by photoexposure and because I am not a proficient hardware engineer. I focused more on software and hoped that someone more proficient would implement better calculator hardware. But even Pajenicko stuck with my design and so the calculator design is not the best. I rather assumed when designing that the processor would be removable from the calculator, in a socket, and could be reprogrammed outside the calculator. This allowed, for example, to replace the processor with an ATmega88, which contains the ET-57 code. The top cover made it impossible to use the socket, it would not fit. In one variant I therefore had a hole cut in the top cover for the processor to fit in the socket.

I asked his permission to resume the English translation he had started.
I have his "green light" to rework the entire English version from the beginning. So work for the coming weeks...
Of course, advice, comments and help will be welcome in these coming weeks of brain storming.

Pierre

[Marc van Lemmen]

Quote:I asked his permission to resume the English translation he had started.
I have his "green light" to rework the entire English version from the beginning. So work for the coming weeks...
Of course, advice, comments and help will be welcome in these coming weeks of brain storming.

Hi Pierre,

I've translated the manual from Chech to English with Google translate, The layout doesn't line up and on every page there is a line from Google, but for me it's useable. Maybe you can use that ?
https://www.vanlemmen.nl/ET58_User_Manual_EN_2.pdf
Marc.

[Pierre]

(12-26-2024 01:22 PM)Marc van Lemmen Wrote:  I've translated the manual from Chech to English with Google translate, The layout doesn't line up and on every page there is a line from Google, but for me it's useable. Maybe you can use that ?
https://www.vanlemmen.nl/ET58_User_Manual_EN_2.pdf

Hi Marc,

Thank you very much for this file.
This will definitely help me to compare with my work from French to English.
For the French version I first took the Google translation but I rewrote a lot because the translation often gave incomprehensible and sometimes very strange sentences...
I mainly used my knowledge of the original TI-58 and the tests I carried out on the ET-58.
For the library programs I also used the TI manuals in French and English.
In all I spent more than a month and I know that corrections will probably be necessary and for that the translation from French to English will also allow me to see mistakes in the French text.
With the translators I often go through a third language that I do not know to return to French and compare.
A sentence translated from French to English then to Italian to return to French has a chance of not being too far from reality if the return is the exact sentence from the start...

Pierre

[vaklaff]

I do not have the ET-58 (yet) and have no meaningful experience with the TI-58 but I’m a Czech, if you run into a language problem, drop a question here or PM me, I’ll try to help.

[Pierre]

(12-26-2024 07:08 PM)vaklaff Wrote:  I do not have the ET-58 (yet) and have no meaningful experience with the TI-58 but I’m a Czech, if you run into a language problem, drop a question here or PM me, I’ll try to help.

Hi vaklaff,
Thank you, that's really nice!
If I have any problems I won't hesitate.
As for the calculator, I recommend it to you because it has many surprising features.
Some will complain about this "button" keyboard, which is not the most pleasant I agree, but to which I have become accustomed...
(The PX calculators all have this type of keyboard except the latest PX-41CX)
In any case, I am a fan of this ET-58 !

Best regards
Pierre

[Marc van Lemmen]

Quote:Hi Marc,

I sent your calculator addition photos to Miroslav.
Answer from him:
The USBASP interface is useful. When designing the calculator, I was limited by amateurish PCB fabrication by photoexposure and because I am not a proficient hardware engineer. I focused more on software and hoped that someone more proficient would implement better calculator hardware. But even Pajenicko stuck with my design and so the calculator design is not the best. I rather assumed when designing that the processor would be removable from the calculator, in a socket, and could be reprogrammed outside the calculator. This allowed, for example, to replace the processor with an ATmega88, which contains the ET-57 code. The top cover made it impossible to use the socket, it would not fit. In one variant I therefore had a hole cut in the top cover for the processor to fit in the socket.

Hi Pierre,
Miroslav did a great job by designing and programming this calculator and it's absolutely no problem there's no ICSP connector. For me it's fun to make an ICSP connector.
I've changed the connector a little bit so the battery gets disconected when I use the interface ( VCC not connected to pin 8 but to the +5 from the USB connector ), and I've made a better looking connection. I also made the 328p a bit lower by milling away 0.75 mm from the top and I milled about 0.25 mm in the top cover, so now everything fits better and I still can swap the 328p.
Marc.

[Pierre]

Sorry !

I made a big mistake by providing a French manual for the ET-58 calculator that was obsolete.
This manual corresponded to the prototype of the ET-58 that existed in 2 versions ET-58B and ET-58X.
The ET-58B became the current ET-58 and the ET-58X was abandoned.

So I updated the correct manual on my site.

I apologize to those who started dreaming of an ET-58X with SD card.
(I had this dream too a few years ago... and I had forgotten that the project had been abandoned)