An Archimedes spiral displaying the 100.000 first digits -base 10- of 'pi' [Une spirale d'Archimède montrant les 100.000 premières décimales -base 10- de 'pi'].
An Archimedes spiral displaying the 100.000 first digits -base 10- of 'pi' [Une spirale d'Archimède montrant les 100.000 premières décimales -base 10- de 'pi'].
rho = srqt(N)
teta = 2.pi.sqrt(N)
The luminance of the sphere colors is an ascending function
of the N-th digit of 'pi' (from dark blue -0- to white -9-).
