1. Wednesday, November 28th lecture demonstration review of bc, Unix pipes, the wc word count Unix program, the uniq function (unique command on Unix), and making a hash table with x mod 17 as the function.

2. Wednesday, November 7th lecture review and Friday lab preview email note.

3. September 10th bc calculator handout.

4. Recursion and the factorial function. Factorial function compared to exponential function growth rate.

5. Robot Walking described and solved recursively.

6. C(n,r) and P(n,r) Sept 10th with a few additions and nicer formatting.

7. Recursion and bc calculator logarithms to the base 2.

8. pico editor for creating and modifying files.

9. Unix commands you cannot live without.

10. Unix file system and trees structures.