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