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'].

Starting from the center of the picture, the spheres are numbered (1, 2, 3,...) when following an Archimedes spiral defined as follows:
                    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-).

[See the 100.000 first digits -base 10- of 'pi'.]

See the same spiral with 100.000 random digits -from 0 to 9-:

(CMAP28 WWW site: this page was created on 12/23/2013 and last updated on 03/03/2016 07:40:20 -CET-)

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