Comment by madcaptenor

People have mentioned "can't print on Tuesdays", which reminds me of an error that occurred with a Linux PDF viewer at the math department at Berkeley:

"Oct 2: Warning: Due to a known bug, the default Linux document viewer evince prints N*N copies of a PDF file when N copies requested. As a workaround, use Adobe Reader acroread for printing multiple copies of PDF documents, or use the fact that every natural number is a sum of at most four squares."

I've seen other references to this bug, but the workaround is the sort of thing mathematicians would come up with.

sources: https://mathoverflow.net/a/3601/143, https://math.berkeley.edu/computing/wiki/index.php?title=Sup...