It's the last week of CS109! Our final exam is this Saturday, from 3:30 to 6:30 pm, in 300-300. See the Final Exam page for more details and practice exams.

This week, we still have section, and PSet 5 and the extra credit challenge are due Wednesday. It's the final stretch -- you got this!

PSet 5 is out! Practice using the Central Limit Theorem, bootstrapping, expectation & algorithmic analysis, and MLE.

Note that during the academic year, CS109 has 6 problem sets, and our PSet 5 is a merge of the last two. This means that we won't cover all of the content needed to complete problems 6 through 8 and 11 until Wednesday, August 7. But you can already do a majority of the PSet now, so don't let that stop you from getting started!

One of the joys of combining probability with programming is the joy to making something that's cool totally of your own creation. In the CS109 Challenge, you can attempt to solve any problem, or create anything you like, using the concepts and tools we learn in class. See the Challenge page for more details.

PSet 4 is now out! The first portion of the problem set features problems that are designed to help you review some of the latest concepts that were tested on the midterm, and the second part of the problem set is all about probabilistic models. Design your own WebMD-like algorithm, predict outcomes of chess games, and more. Since the pset was released a day late, we've also moved the deadline a day later.

Problem Set #3 is due this Sunday, July 21st, at 2 pm Pacific. In PSet 3, you'll practice solving a range of problems using random variables, and even get to make algorithmic art! Note that the extension window for PSet 3 is shorter than for other psets, so that solutions can be released before the midterm.

Problem Set #2 is due at the end of this week: Friday, July 12th, at 2 pm Pacific. Strengthen your skills by practicing solving problems using the core probability toolkit.

Today is the first day of sections! If you signed up for section, you should have received an email with your section time and location from the TA who will be leading section.

You can find section materials in the "Section" tab. Here is the link for Section 1. We will post solutions at the end of the week. Section is an key component of your learning, a place where many former CS students say they really solidified their mastery of course concepts, and also just a good time. Enjoy!

Problem Set #1 is due at the end of this week: Friday, July 5th, at 2 pm Pacific! Stop by office hours or reach out on Ed if you get stuck on any questions -- the TAs are here to help.

The very first lecture is at 3pm today, Monday June 24th, in NVIDIA auditorium (in the basement of Huang Engineering Center). See you there!