 The 1.000 first digits -base 10- of 'pi' displayed on a circle -very bad point of view- [Les 1.000 premières décimales -base 10- de 'pi' visualisées sur un cercle -trés mauvais point de vue-]. To each digit D inside [0,9] is associated an angle A(D) with the following rule:
```                    A(D) = D.(2.pi/10)
```
Then each digit D(n) (n E [1,1000] for this picture) is displayed as a point (belonging to an helix) with the following tridimensional coordinates:
```                    X = cos(A(D(n)))
Y = sin(A(D(n)))
Z = n
``` At last, the picture displays all the segments {D(n),D(n+1)} (for all n).

See some related pictures (including this one) displaying one circle -left-hand side picture- and two helix -midle- and right-hand side pictures-:   The left-hand side picture -using a parallel projection, hence a circle-like structure- seems to exhibit extraordinary symmetries, when the right-hand side one shows that there are none. Obviously, those apparent symmetries are due to the fact that 'pi' is a normal number (not yet demonstrated -in 2019-) meaning that, for example, the frequencies of 00, 01, 02,..., 97, 98, 99 are equal (and equal to 1/100). Thus, whatever the digits p and q, one can find n such as D(n)=p and D(n+1)=q. Then all segments p ==> q must exist if a sufficient number of digits of 'pi' is computed (1000 for this picture)...

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

(CMAP28 WWW site: this page was created on 10/17/2018 and last updated on 05/06/2019 14:24:48 -CEST-)

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