NOT a silly question. (there are NO silly tech questions)
Here's the solution:
https://fedifreu.de/@chpietsch/113710470289148980
ETA: and if you don't understand how to ...send out an S.O>S to all the techies on fedi using the Tech and Fediverse and computer hashtags--someone is sure to reply
@SnowshadowII @Darkphoenix @gleick thank you. This is one reason why I have been buying more books lately. I'm just getting to collecting the reference books that I want to have. This will definitely go into my files.