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+--- Thread: HP41: 255 code matrix vs. UNICODE; relation ? (/thread-18871.html)
HP41: 255 code matrix vs. UNICODE; relation ? - floppy - 09-24-2022 03:44 PM
Hello,
the HP41 character matrix can be seen in page 147-148 http://www.mh-aerotools.de/hp/heldermann/Synthetisches%20Programmieren%20auf%20dem%20HP-41%20-%20leicht%20gemacht.pdf
I see that some ISO cover few of the HP41 characters. Example https://www.htmlhelp.com/reference/charset/iso000-031.html
Is there any norm covering quite precisely the HP41 character matrix?
A relation Unicode to the HP41 Char matrix was already made? https://home.unicode.org/
Any hint and help or redirecting to a source is welcome.
Background: currently making a prolog knowledge system which is using unicode for outputs. for the "glossary" in this system (other functions are in), in the writing of functions of the HP41 there are some codes used by "alpha" like "^" (see the back of the HP41) which I need to have in unicode for having nice outputs.
UPDATE: so far identified (alpha characters on the back of the HP41, not the full 255 character matrix because sofar no necessity)
- append sign, https://www.hpmuseum.org/forum/thread-6299-post-56382.html
- usual characters, https://en.wikipedia.org/wiki/List_of_Unicode_characters
- not equal, https://www.compart.com/en/unicode/U+2260
- arrow to top right, https://unicode-table.com/en/1F865/
- angle, https://www.compart.com/en/unicode/U+2221