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1 gen 470 anni - C: Tsu Ch'ung-chi's approx for pi

Descrizione:

China: Tsu Ch’ung-chi’s approximation for pi as between 3.1415926 and 3.1415927, a record not surpassed for 800 years.

Aggiunto al nastro di tempo:

History of Mathematics 2019

16 lug 2019

2

0

1313

Data:

1 gen 470 anni

Adesso

~ 1556 years ago

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