Dear Readers,
I've just published new book entitled "The Mysterious Number 6174: One of 30 Amazing Mathematical Topics in Daily Life,"
ISBN 978-4768761748.
Please check it at Amazon Japan, and my website is at http://www.osaka-ue.ac.jp/zemi/nishiyama/index.html
Prof. Yutaka Nishiyama
Dear Readers,
I've just published new book entitled "The Mysterious Number 6174: One of 30 Amazing Mathematical Topics in Daily Life,"
ISBN 978-4768761748.
Please check it at Amazon Japan, and my website is at
http://www.osaka-ue.ac.jp/zemi/nishiyama/index.html
Prof. Yutaka Nishiyama