Ignoring the self-contradiction in the title, is there documentation for packages such as
Algebra, which probably contains lots of useful functions? (The only one whose functionality I'm familiar with from other question is
Also, is there a list of other such undocumented packages anywhere?
Finally, at least for
Algebra, how can I load it? The usual
I assume these things are undocumented because Wolfram doesn't promise to support them in future releases.