The 81 first digits of 'pi' displayed as sets of concentric circles [Les 81 premiers chiffres de 'pi' visualisés comme ensemble de cercles concentriques].
The 81 first digits of 'pi' displayed as sets of concentric circles [Les 81 premiers chiffres de 'pi' visualisés comme ensemble de cercles concentriques].
5----1----4
| | .
| | .
9 3----1 .
| |
| |
2----6----5----3
and then displayed using sets of miscellaneous concentric colored curves (N ones for the digit 'N').
