[ANN] A MathMorph book for 3.9b 7032

Squeakers what like Math.

Decompress and fileIn a fresh 3.9b 7032.
Enjoy this autoloading morph.

Soon I convert the others.

Thanks to Milan for pointing to a 3.9 bug and to Serge for
http://community.ofset.org/wiki/MathMorphs_Revival_Project