If this this is old stuff, I'm sorry.
https://yt.oelrichsgarcia.de/watch?v=jGIsPke4m-4
If the above link does not work, simply watch it on YouTube (by adding the /watch?...) to the YT-URL ("oelrichsgarcia" is an Invidious server which mirrors YouTube videos).
BTW: On Martin Reids homepage there is a version of PC Four (Psion package for DOS) which works in DOSBox (DOS-emulator) on Windows 10.
Found a great video about the Psion package
Found a great video about the Psion package
http://peter-sulzer.bplaced.net
GERMAN! QL-Download page also available in English: GETLINE$() function, UNIX-like "ls" command, improved DIY-Toolkit function EDLINE$ - All with source. AND a good Python 3 Tutorial (German) for Win/UNIX
GERMAN! QL-Download page also available in English: GETLINE$() function, UNIX-like "ls" command, improved DIY-Toolkit function EDLINE$ - All with source. AND a good Python 3 Tutorial (German) for Win/UNIX