Mathemagic cover
Mathemagic
by Raymond Blum
ISBN: 0806983558
Found in 1 comment on Hacker News
View on Amazon
We may earn a commission from purchases made through links on this page.
Not ready yet? Get weekly book picks.
localhost · 2021-11-30 · Original thread
When I was a kid, I loved the Mathemagic book [1] IIRC this was one of the tricks described in the book.

[1] https://www.amazon.com/Mathemagic-Raymond-Blum/dp/0806983558