http://xkcd.com/163/ http://xkcd.com/163/ I think for most lay persons starting with one makes sense, but more technical folk learn to start with 0, so dependi

http://xkcd.com/163/ http://xkcd.com/163/ I think for most lay persons starting with one makes sense, but more technical folk learn to start with 0, so depending on who wrote it or who it was written for that usually determines the start index.