Found via Jeffrey Kegler's blog https://jeffreykegler.github.io/Ocean-of-Awareness-blog/
Sounds a bit utopian, but reminds me of https://100r.co/site/uxn.html and https://spritely.institute/. I need a tag, perhaps utopic-computing?

Mentions https://www.crowdsupply.com/summa-cogni/mathpad, a crowd supply project announcment for a small (16-key) USB keyboard for mathematical symbols.
On https://www.hpmuseum.org/forum/thread-23822-post-207156.html#pid207156, the https://optimot.fr/ keyboard layout with many mathematical symbols is mentioned

1. März 2023, 10:56 Uhr

Mentioned on 9fans https://marc.info/?l=9fans&m=175200018825021&w=2
Might try to get a better description for neindaw - DAW for Plan 9, "DAW" probably stands for "digital audio workstation"

Found on Sacha Chua's blog https://sachachua.com/blog/2025/05/2025-05-12-emacs-news/ via https://osem.seagl.org/conferences/seagl2019/program/proposals/664,
https://osem.seagl.org/users/365 and
https://osem.seagl.org/conferences/seagl2023/program/proposals/952

An idea to simplify the software layers involved between command line and display.
Found on the 9fans mailing list https://9fans.topicbox.com/groups/9fans/T4f1a2098b1e1c854-M474a043f6f18ee4e660a427b/next-generation-acme
See https://github.com/letoram/arcan/wiki for a wiki about Arcan. https://www.divergent-desktop.org/blog/2020/08/10/principles-overview/ seems to be a good start.

I shall change my Emacs settings to use setopt instead of setq, but consider the places where Emacs versions older than 29 are used.
See https://www.reddit.com/r/emacs/comments/178em7u/why_was_setopt_introduced_in_emacs_29/?rdt=39547 for some background information.
So conditionally defining setopt to customize-set-variable on older Emacsen might be a way to unify my setup files.

"A complex-valued mathematical sequence which, when applied to a signal, gives rise to a new signal of constant amplitude."
It is not clear what is meant by "applied to" here.

"A Notebook system based on Emacs borrowing from existing config files. This system works from a single org file as an attempt to be as easy as possible for non-emacs users. It handles analyses in any language supported by org and through any server with a ssh interface. Since, its contents (an org file) are automatically rendered in Github or similar, it is trivial to share analyses results with reviewers and auditors, thus providing a way for transparent review/auditing of statistical analyses. This configuration provides a more complete set of functionality than jupyter, with less hassle."
Found on Sacha Chua's blog https://sachachua.com/blog/2025/02/2025-02-03-emacs-news/

I found this blog via a link on Sven's blog https://svbck.org/nope/