Archive for June 14, 1998

xx: What Has It Got in Its Pocketses?

As any algebraist or fan of The X Files knows, x often symbolizes an unknown quantity. This week's column is full of unknown quantities. In a previous column, I discussed Anglo-Saxon riddles, which used a certain alliterative form and often suggested a risqué answer as well as the mundane one. I neglected to mention, however, […]