Instructor:       Alexandra Nichifor                              Email:              nichifor@math.washington.edu
Office:              Padelford C-326 (Directions)                Phone:             206-543-7898

STATS:
Final exam median: 56/80 (70%). Class median grade 3.0 (75%).
If you gave me permission to post your final exam and class grade, you can find them here.

If you want to pick up your final exam or if you have questions you can contact me next quarter as follows:
1) Just drop by my office during office hours: Mondays 5:30-6:30, Tuesdays 10:30-11:30, PDL C-326.
(I'm also usually in my office Wednesdays and Fridays 4-5, but if you want to make sure please check first: email or call)
2) If the office hours are not working for you, email me for an appointment.

Enjoy the break -- and have a great Spring quarter!

Overheads from student presentations:
1) Clement's write-up on RSA Encryption
2) Chris's overhead on continuity of sums/products
3) Pamela's overhead on prime factors in Fibonacci sequences

FINAL EXAM: Monday, March 14th, 2:30-4:20 SMI 307 (usual classroom)
Bring: ID, writing implements & optional: a sheet of notes (both sides OK), a calculator.

Review topics posted on left bar.
Some Review problems.
Partial solutions to review pbls(warning: hastily written; may contain typos or errors)
 

Week 10 (last):

Review Session Friday evening, 4:30-6:30, THO 202

Do: Homework 7 . Solutions posted  on left bar.

Monday: Finish Congruences (20)
Wednesday: Congruences modulo primes: Fermat's Little Thm & Wilson's Thm (24)
 

Week 9:

Homework 6 is due Friday, March 4th. (solutions to the previous hwk posted on left frame)
This week: read the Euclidean Algorithm in section 16.2, plus chapters 19 and 20,
and do the end-of-sections problems from chapters 19 & 20.

For weekend and next week: Homework 7

Monday: Finish Infinite sets (14)
Wednesday: Modular Arithmetic (19)
Friday: Linear Congruences (20)

Week 8:

Office hrs this week: Tues 10:30-11:30 & 5-6 in my office, Wed 10:30-11:30 in MSC, or by appointment.

Homework 5 is due Wednesday, Feb. 23rd.
Read Chapters 13 and 14.
                        Do end-of-sections problems: 12.2-12.4, 12.6;  13.1, 13.3, 13.4, 13.5; 14.1-14.4.

Monday: Holiday
Wednesday: Finish Number Systems (13) (bring Worksheet from last Friday), start Infinite Sets (14)
Friday: Infinite Sets (14)

Week 7:

Handout from last Friday is here.
Homework 4 will be back Wednesday or Friday. Solutions are posted on left bar.

Homework 5 is due Friday, February 18th.Wednesday, Feb. 23rd.

Monday: Counting: Permutations (sect 12 and extra),
Wednesday: Fibonacci Pres. & Counting & Probability,
Friday: Binomial Coeff and Probability. Start Number Systems (13).

Week 6:
Homework 4 is due Friday
(Problems 8.4 and 9.7 could help with some of the collected problems.)
This sheet of samples might help with the limit and functions on sets problems (updated 2/8) Ask me if still unclear.

Midterm stats: Average 38/50, Median 39/50. Midterm solutions on the left bar.

Week 5:

Changes to office hours: Monday 11-12 is cancelled this week. (Monday 5-6 is _not_ cancelled)
Review Session (optional) Tuesday 4:30-6, THO 211

For Monday: Review for midterm.
For Wednesday: Midterm.
For Friday: Read sections 8.3, 9.3 and 10. Do pbls 8.4, 9.7 & Page 119 Pbl 21 (i).

Week 4:

Collected homework #3 is due Friday (1/27: Correction to problem 4)

For Monday:  Read section 7. Do problems 7.1(i,ii), 7.2 (i-iii), 7.4 (i, iv, v), 7.6, 7.7.
If you haven't already done so, read section 6 and do problems 6.2, 6.3, 6.5-6.7.
For Wednesday: Read section 8 (skip 8.3). Attempt pbls 8.1-8.3., 8.5.
For Friday: Read section 9 (skip 9.3). Attempt pbls 9.1-9.4.

Link to a brief overview of the history & more complicated side of set theory

Week 3:

For Monday: no class. Catch up on reading, on the book problems listed last week & work on homework 2.
For Wednesday: See how far you can get on the Induction Worksheet from Friday. Bring questions. Read section 6.
See solutions to Induction Worksheet (pdf). Extra office hrs: Thursday 11-12.
For Friday: Collected Homework #2 is due. Also do problems 6.2, 6.3, 6.5-6.7. Read 7.1-7.3.

Week 2:

For Monday: Homework #1 is due. Also do problems 3.2-3.6.
Read section 4 (it's not an easy read; ask if lost; office hrs are best, in class or after class also works).
For Wednesday: Do problems 4.2-4.5 & Read section 5.1.
For Friday: Do problems 5.1-5.4. Read the rest of section 5.

Solutions to Homework #1 are here.

Week 1:

For this Wednesday: Read section 1 of the text and attempt the homework problems at the end of the section. Start reading section 2.
Overheads from Wednesday's lecture are available here.
For Friday: Finish section 2 and read section 3. Start Homework #1 (due next Monday). Do problems 2.1 (i-iv), 2.2, 2.3, 2.4 (i), 2.5 (i).

For next Monday: Homework #1 is due. Read section 4. Do problems 3.2-3.6.