HP-71B Software for navigation

[Didier Lachieze]

(04-11-2019 08:43 PM)Erwin Wrote:  meanwhile I found a program for navigation from PPC Paris. It's in french and I couldn't find any explanation. I'll try to translate the comments with the help of Google and see if it's clearer.
Couldn't find a contact to the author: "Francois le Grand" - looks like it's not the real name.

Well it is the real name and you can find the description (in french) of the program in the JPC n°30 from December 1985, page for 10. JPC was the PPC-Paris journal and pdf files are available here.