assigned	due	notes and links
WA1	Thu, Sep 16	Thu, Sep 23	WA1 Solution
WA2	Thu, Sep 23	Thu, Sep 30	WA2 Solution
WA3	Thu, Sep 30	not graded	WA3 Solution
WA4, handout	Thu, Oct 7	Thu, Oct 14	WA4 Solution
WA5	Thu, Oct 14	Fri, Oct 22	WA5 Solution
WA6	Thu, Oct 21	Thu, Oct 28	WA6 Solution
WA7 is part of PA4			WA7 Solution
WA8	Fri, Nov 12	Wed, Nov 17, noon	WA8 solution