Welcome to Math 21b! There is a

**mandatory introductory course meeting on Wednesday, August 30 at 8:00 am in Science Center A**.Math 21b is taught entirely in sections; to join the course, you must

**section by 7pm on Wednesday, August 30**. Instructions for sectioning can be found here.If you're not sure whether Math 21b is the right course for you, we strongly encourage you to speak with a math placement advisor.

The reading for Problem Set 0 is on the Handouts / Reading page.