有馬頼ゆき
1. Arima YoriyukiArima Yoriyuki was a Japanese mathematician of the Edo period. He was the lord of Kurume Domain and approximated the value of and its square, . In 1766, he found the following rational approximation of pi, correct to 29 digits:
Read “Arima Yoriyuki” on English Wikipedia
Read “有馬頼ゆき” on Japanese Wikipedia
Read “Arima Yoriyuki” on DBpedia
Read “Arima Yoriyuki” on English Wikipedia
Read “有馬頼ゆき” on Japanese Wikipedia
Read “Arima Yoriyuki” on DBpedia
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