3.141592654

3 / pi = 0.954929658
1 / pi = 0.318309886
4 / pi = 1.273239545
1 / pi = 0.318309886
5 / pi = 1.591549431
9 / pi = 2.864788976
2 / pi = 0.636619772
6 / pi = 1.909859317
5 / pi = 1.591549431
4 / pi = 1.273239545
___________
12.73239545

12.73239545 * pi = 40

{root pi (pi) = x, root x (pi) = x}, 44 iterations = 1.854105968

1.854105968

1 / 1.854105968 =
....
8 / 1.854105968 =
___________
25.34914445

25.34914445 * 1.854105968 = 47

40 * 47 = 1880

1880 / 189 = 9.947089947, 10-x, inv = 18.9

sqr(18.9) = 357.21, 360 - x = 2.79

28 / 2.79 = 10.03584229, x-10, inv = 27.90000001, 28-x, inv =
10.00000053

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