Beautiful mathematics 
       ======================
       
 (DIR) WebGL Mandelbrot
 (IMG) Mandelbrot screenshot (.png) 
 (DIR) Pythagoras theorem
 (TXT) Pythagoras example (.svg) 
 (DIR) Game of Life and Death
 (IMG) Game of Life and Death (.png) 
 (DIR) Fixed point explanatorial
 (TXT) Bits (.svg)