+> Topics: Reader Monad for Jacobson's Variable-Free Semantics
+
+(15 Nov) Lecture notes for [[Week9]]; [[Assignment7]]. Everyone auditing in the class is encouraged to do this assignment, or at least work through the substantial "hints".
+
+> Topics: Mutable Variables; Passing by Reference
+
+(22 Nov) Lecture notes for [[Week10]]
+
+> Topics: Calculator Improvements, including mutation
+
+(30 Nov) Lecture notes for Week11; Assignment8.
+
+> Topics: Zippers, Continuations
+
+(6 Dec) Lecture notes for Week12
+
+(13 Dec) Lecture notes for Week13
+