DaveBall aka user750378
Apparently, this user prefers to keep an air of mystery about them.
4 Symbols: If but not only if Jul 31 '13
2 List of the minimal addition chains Apr 11 '12
1 How can I write in Landau notation (or the like) that $2^x/x$ rises almost as fast as $2^x$? Nov 21 '14