http://book.klll.cc/ebooks/author/381.opds?sort_order=downloads 2025-11-18T09:15:07Z Books by Kanada, Yasumasa Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T09:15:07Z https://en.wikipedia.org/wiki/Yasumasa_Kanada See also: en.wikipedia 2025-11-18T09:15:07Z https://book.klll.cc/ebooks/745.opds One Divided by Pi (To 1 Million Digits) Yasumasa Kanada