Resurrecting this old thread... as it has become easier to scan documentation.
Documentation for the early versions of muLISP and muMATH as well as for Derive for CP/M as well as for MS-DOS still seems to be missing from the usual archive sites (like bitsavers, archive,org).
Maybe someone with the manuals could take the time to make some scans for preserving the documents and make the software more accessible.
I also noticed that early versions in *.COM format (probably directly translated from CP/M to MS-DOS) had quite a few terminal options including e.g. HP 110 and 150. These early versions must have been installable like Wordstar and other programs of that era, but today I can access the terminal options only in hacker style by modifying the binaries.
Martin