‘In Britain, we are still astonishingly ignorant’: the hidden story of how ancient India shaped the west
A painting of the Indian astronomer Aryabhata (476–550), who calculated the exact length of the solar year to an accuracy of seven decimal points.
2024-09-01 1780词 晦涩
He was the first mathematician to treat the circular zero symbol – originally just a dot – as a number just like the others, rather than merely as an absence, and this meant developing rules for doing arithmetic using this additional symbol along with the other nine.
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