"A* " may be one of the most un-Google-able algorithm names I've come across, since the {asterisk} is used as a wildcard too. (Edit: and is significant for formatting here too.)<p>As of this post, Googling "A* algorithm" gives more relevant hits about the algorithm than the experience I had many years ago when I tried to learn about it, but it still uses * as a wildcard so you get various <i>other</i> algorithm pages mixed in there too. Trying "A\* algorithm" seems to yield even worse results, which is counterintuitive to the programmers who are most likely to try escaping metacharacters in queries...