How do I add CSDM or School of Math Seminars iCal feeds to Google Calendar?

To add the CSDM Seminars iCal feed to Google Calendar:

1. Go to the Institute's online calendar webpage.
2. Scroll down to the "iCal Feeds" section of the page, right-click on "CSDM Seminars" and choose "Copy Link."
3. Open Google Calendar in a web browser. 
4. Click the plus sign (+) in the "Other Calendars" section. 
5. Select "From URL." 
6. Paste the URL of the "CSDM Seminars" iCal feed that was copied in Step 2 into the "From URL" field. 
7. Click on "Add Calendar." 
8. Wait for Google to import the events.

To add the Mathematics seminars iCal feed to Google Calendar:

1. Go to the Institute's online calendar webpage.
2. Scroll down to the "iCal Feeds" section of the page, right-click on "Mathematics" and choose "Copy Link."
3. Open Google Calendar in a web browser. 
4. Click the plus sign (+) in the "Other Calendars" section. 
5. Select "From URL." 
6. Paste the URL of the "Mathematics" iCal feed that was copied in Step 2 into the "From URL" field. 
7. Click on "Add Calendar."
8. Wait for Google to import the events.