http://www.mcs.drexel.edu/~crorres/Archimedes/Stomachion/intro.html
Those of you who have occasion to teach Pick's theorem can find an application
of it there in the computation of the areas of the puzzle's 14 pieces.
Chris Rorres
crorres@mcs.drexel.edu
Department of Mathematics and Computer Science
Drexel University
Philadelphia, Pennsylvania, USA