Points of Contact for Common Student Questions
Note: If you decide to e-mail the course staff, you must use your uwaterloo Quest e-mail account (WatIAM/Quest userID @uwaterloo.ca); otherwise we cannot verify who you are and are limited on what we can accept and respond to.
| Help Topic | Contact |
|---|---|
| Assignment, Missed Deadline: | We do not accept late or emailed assignments. The last files submitted before the deadline will be marked (submit early and often, even if not finished).
If deadline is missed due to illness or other valid, verifiable reason, see Missed Work Due To Illness below. |
| Assignment Marking Error: | Re-mark request, due within 10 days of release of marks on Crowdmark. See Mark Appeals instructions on Course info. |
| Course Website Error: | Email CS240 ISAs |
| CS240 Handouts Error: | CS240 instructors - email or check consulting hours below. |
| CS240 Textbook Error: | Email Prof. Biedl (include screenshot or version-date and line number) |
| Enrollment: | If Quest won't let you enroll or switch LEC or TUT sections without a permission/override number: Instructors and course staff are unable to help you -- you must see a CS academic advisor. |
| Exam Seat (Midterms & Final): | Assigned seating will be available to view via Odyssey by the time of assessment |
| General Course Help: | CS240 ISAs or instructors - check office hours below. |
| Midterm Remarks: | See Re-mark Request instructions on Course info (the same instructions apply for Midterms with the email subject updated accordingly). |
| Missed Work Due To Illness/Valid, Verifiable Reason (Assignments, Exams): | Assignments, midterms, final exam: Validation required (for MATH students see MATH VIF and all others, see Verification of Illness Services at https://uwaterloo.ca/campus-wellness/health-services/student-medical-clinic). In all cases, substitute Karen Anderson (CS 240 ISC) for references to instructor. |
| AccessAbility Services (AAS) exam accommodation forms (request to write at AAS): | Submit to AAS at least 3 weeks before exam. |
Course Personnel Winter 2026
Instructor: Olga Veksler
| Office: | DC 2321 |
|---|---|
| Office Hours: | Monday 1:00pm - 2:00pm (in person and by appointment) |
| Lectures: |
LEC 003 - MC 1056 1:00pm - 2:20pm Tuesdays and Thursdays LEC 002 - MC 2034 2:30pm - 3:50pm Tuesdays and Thursdays |
| Email: | oveksler@uwaterloo.ca |
Instructor: Mark Petrick
| Office: | MC 6467 |
|---|---|
| Office Hours: | Friday 9:30am - 12:00pm |
| Lectures: |
LEC 001 - MC 2054 11:30am - 12:50pm Tuesdays and Thursdays |
| Email: | mark.petrick@uwaterloo.ca |
Instructional Support Assistant (ISA): Haris Ahmad
| Office: | MC 4065 |
|---|---|
| Tutorials: |
MC 4040 12:30pm - 1:20pm Fridays MC 4040 1:30pm - 2:20pm Fridays |
| Consulting Hours: |
Mondays 2:00pm - 3:00pm Tuesdays 10:00am - 11:00am Wednesday 12:00pm - 1:00pm Thursdays 9:00am - 10:00am Additional consulting hours, in-person or online, are available by appointment (email cs240@uwaterloo.ca). |
| Email: | cs240@uwaterloo.ca |
Instructional Assistant (IA): Matthew Regehr
| Office: | MC 4065 |
|---|---|
| Tutorials: |
MC 4040 10:30am - 11:20am Fridays MC 4040 2:30pm - 3:20pm Fridays |
| Consulting Hours: | |
| Email: | cs240@uwaterloo.ca |
Instructional Support Assistant (ISA): Michael Wong
| Office: | MC 4065 |
|---|---|
| Consulting Hours: | |
| Email: | cs240@uwaterloo.ca |
Instructional Assistant (IA): Taebin Kim
| Office: | MC 4065 |
|---|---|
| Consulting Hours: | |
| Email: | cs240@uwaterloo.ca |
Instructional Support Coordinator (ISC): Karen Anderson
| Office: | MC 4010 |
|---|---|
| Office Hours: | Email to set up an appointment |
| Email: | kaanders@uwaterloo.ca |