Guinness World Record for most accurate value of pi (π) in 2019 and 2022[1]
Scientific career
Fields
Computer science
Institutions
Google Panasonic GREE Red Hat[2]
Website
blog.yuryu.jp
Emma Haruka Iwao (born April 21, 1984) is a Japanese computer scientist and cloud developer advocate at Google.[5][6] In 2019 Haruka Iwao calculated the then world record for most accurate value of pi (π); which included 31.4 trillion digits, exceeding the previous record of 22 trillion.[7][8][9][10][11] This record was surpassed in 2020 by Timothy Mullican who calculated 50 trillion digits,[12][13] but she reclaimed the record in 2022 with 100 trillion digits.[14] The record was surpassed by a computer storage company in 2024, reaching roughly 105 trillion digits.[15] She identifies as queer.[16]
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^Iwao, Emma Haruka (2019). "Emma Haruka Iwao: Developer Advocate for Google Cloud Platform". linkedin.com. LinkedIn.
^Iwao, Emma Haruka [@Yuryu] (2022-04-21). "I turn 38 today! 12-year-old me would assume adults know everything but I know I was wrong! I'm trying something new this year that I haven't done in a while, so I'm really excited about that. I've made a lot of progress with my Mandarin so I'm happy with that, too" (Tweet). Retrieved 2024-04-09 – via Twitter.
^"1人の女性がエンジニアになるまで 〜yuryuの場合〜". note(ノート) (in Japanese). 2021-02-02. Retrieved 2024-04-09.
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^Emma Haruka Iwao on X
^Anon (2019). "Beating the record of most-calculated digits of pi". youtube.com. YouTube.
^Brodeur, Nicloe (2019). "Woman sets world record in Seattle for calculating the value of pi to 31.4 trillion decimal places". seattletimes.com. Seattle Times.
^"Pi Day record: Google employee Emma Haruka Iwao calculated pi to 31.4 trillion digits". Washington Post.
^"The Pi Record Returns to the Personal Computer". Retrieved 30 January 2020.
^"Calculating Pi: My attempt at breaking the Pi World Record". 26 June 2019. Retrieved 30 January 2020.
^"Calculating 100 trillion digits of pi on Google Cloud". Google Cloud Blog. Retrieved 2022-06-15.
^Baker, Harry (2024-03-15). "Pi calculated to 105 trillion digits, smashing world record". Live Science. Retrieved 2024-04-11.
^Braidwood, Ella (18 March 2019). "Queer Google's queer female pi world record breaker hopes to inspire LGBT community". PinkNews.
EmmaHarukaIwao (born April 21, 1984) is a Japanese computer scientist and cloud developer advocate at Google. In 2019 HarukaIwao calculated the then...
Emma HarukaIwao, Japanese computer scientist and cloud developer advocate Junko Iwao (岩男 潤子, born 1970), Japanese voice actress and singer Ken Iwao (岩尾...
2011 by Alexander Yee and Shigeru Kondo, and 100 trillion digits by EmmaHarukaIwao in 2022. For similar formulae, see also the Ramanujan–Sato series....