Sergei and Ke will continue to hold office hours during the final two weeks of the semester:
05/07 Monday 2:30pm - 3:30pm in 318 Upson Sergei 05/07 Monday 3:30pm - 4:30pm in 4162 Upson Ke 05/09 Wednesday 10:30am - 11:30am in 4162 Upson Ke 05/11 Friday 2:30pm - 3:30pm in 318 Upson Sergei (*) 05/14 Monday 2:30pm - 3:30pm in 318 Upson Sergei 05/14 Monday 3:30pm - 4:30pm in 4162 Upson Ke 05/16 Wednesday 10:30am - 11:30am in 4162 Upson Ke 05/16 Wednesday 2:30pm - 3:30pm in 318 Upson Sergei
Addendum: Nick will not be holding office hours, but you're welcome to email him if you'd like to set up an appointment.
Several other options for getting help are listed on the exams page.