: Unlike recreational puzzle books, Dörrie provides rigorous, unabridged mathematical proofs for every single entry.
For those looking to dive into the text, digital versions are available via the Internet Archive or as a Dover Publications edition on Amazon . 100 great problems of elementary mathematics: t...
: Includes Archimedes' Problema Bovinum (Cattle Problem) and Bachet de Méziriac’s weight problem. : Unlike recreational puzzle books