Here you have MorpicWrappers working in Squeak3.9g-7054.image, and also
Funcions and Plotters
http://minnow.cc.gatech.edu/squeak/5855You should load first
MorphicWrappers.4.cs.gz
And then
FunctionsAndPlotters3.9Ready.1.cs
In a World , you press TAB key for entering "aerial typing" and then type
XYPLotter example1.
Check the other examples
When I have time put more converted MathMorphs in that page.
As was some Indiana Jones quest of mixing things from several sources from
Squeak 2.1, 2.3, 2.7, 3.6 , sure is still buggy.
But loads, works, plot.
Enjoy, Rich