== Lecture 5: Chapters 15, 16 ==

== Announcement (Homework) ==

  1. Homework problem 2.2 → extra credit problem.
  1. Homework 2 due Friday, not due Thursday.  Drop-off time: 9 AM–2 PM on Friday (1-22).

== Announcement (Classes, OHs) ==

  1. Wed (tomorrow) → OH normal.
  1. '''Thu (Jan 23) &rarr; No OH. <<color(No class)>>''' (will make up after midterm).