PI .... grandeur physique

il convient de noter notre approximation arithmétique :

22/7     3.142857^_  (period 6)  

3.   142857  142857142857142857142857142857142857142857142857142857...


puis :

333/106  3.14150943396226^_  (period 13)
3.1   4150943396226  4150943396226  415094339622641509433962264150943...

puis

355/113  3.   141592920353982300884955752212389380530973451327433628^_\
31858407079646017699115044247787610619469026548672566371^_\
68^_
(period 112)

22+333=355
7+106=113

comme si (a/b)+(c/d) = (a+c)/(b+d)







pi~~3, 22/7, 333/106, 355/113, ...
(simple continued fraction convergent sequence)