NISHIO Hirokazu[Translate]
floor sum
直線の下にある格子点の個数
https://twitter.com/kyopro_friends/status/1304063876019793921?s=21

Related Pages

"Engineer's way of creating knowledge" the English version of my book is now available on [Engineer's way of creating knowledge]
(C)NISHIO Hirokazu / Converted from [Scrapbox] at [Edit]