1. We will have Quiz 3 on Wednesday, October 22.

2. Please experiment with the Fourier series demonstrations at
   http://spectrum.ece.jhu.edu/wjr/
   

   In particular, try the "Listen to Fourier Series" and the "Fourier Series Approximation" demos.

   You do not have to hand-in any results for this assignment, but please try them before Quiz 3 on Wednesday!

Thank you.