GameOfLife2D-ex.gh  (grasshopper file)

Conway’s Game of Life: by John Horton Conway http://www.math.com/students/wonders/life/life.html GameOfLife2D.gh(grasshopper file)

BOIDS: by Craig Reynolds   boids.gh (grasshopper file)  

   http://en.wikipedia.org/wiki/L-system   Lsystem.gh (grasshopper file)