POW #5: A Mathematical Crossword

Sorry, this puzzle is only available in the real world, not online. See the POW bulletin board on the first floor of Burruss Hall.

Return solutions ON PAPER to Laura Taalman, Burruss 127, by 3/14/05 (Pi Day!).
Make sure it is clear how you arrived at your answer.
Include your name and email address with your solution.