Arima Yoriyuki
Arima Yoriyuki was a Japanese mathematician of the Edo period. He was the lord of Kurume Domain.
He approximated the value of [Pi|] and its square,. In 1766, he found the following rational approximation of, correct to 29 digits:
Arima Yoriyuki was a Japanese mathematician of the Edo period. He was the lord of Kurume Domain.
He approximated the value of [Pi|] and its square,. In 1766, he found the following rational approximation of, correct to 29 digits: