Date	Description
September 26	hw1 out
October 4	hw1 due
October 5	hw2 out
October 11	hw2 due
October 12	hw3 out
October 18	hw3 due
October 19	hw4 out
October 23	hw5 out hw5provided.rkt hw5providedtests.rkt
October 25	hw4 due
November 1	hw5 due
November 7	hw6 out
November 20	hw7 out; Calculator language hw6 due
November 29	hw7 due (regexp+scanner)
November 30	hw8 out
December 6	hw8 due (parser/interpreter)