@@ -11,6 +11,11 @@ of a physics problem, here involving a rolling wheel on an inclined
plane. The sketch
# #else
+2DO:
+ * two wheels of different radii on inclined plane coupled to
+ correct solution
+ * "Pygame backend": "http://inventwithpython.com/chapter17.html"
+
======= A First Glimpse of Pysketcher =======
Formulation of physical problems makes heavy use of *principal sketches*