The Logic Off Topic list

In a message dated 7/12/02 8:58:31 AM, h@... writes:

>2. Calculate the next x and y by means of these two:
>        x_(n+1) = x_n squared  -  y_n squared  +  p
>        y_(n+1) = 2 * x_n * y_n  +  q
>


ah .... the real and imaginery parts of the complex function w = z^2!  
Complex plane after all. 

Thanks for the detailed program. For fun, without programming, you can also 
use Kai Power Tools 5.0 ... "Fractal Explorer" to create all sorts of 
pictures of fractals.