About the author
Yuuki Yamagishi山岸 勇輝
Born in 1977, raised in Kanagawa and now living in Hokkaido, Japan. After working in financial trading and app development, Yuuki Yamagishi began in 2026 to write papers that ask, of the numbers in the formulas of physics and mathematics, where each one comes from; there are also papers on the numbers of finance, medicine, and towns and trades. More than a thousand papers are published on the author’s site. All are preprints that have not been peer-reviewed, and many have later been revised by the author.
About the books
Each book was written after recalculating and checking the numbers from the papers it draws on. The original papers are free for anyone to read. The text, figures and covers of the books are copyrighted by the author.