Amusements | In Mathematics

Amusements in Mathematics (Dover Recreational Math) - Amazon.com

In the early 20th century, before digital screens and pocket calculators, the most popular "apps" for brain training came in the form of leather-bound books. Chief among these was Amusements in Mathematics , a collection of 430 puzzles that transformed rigorous logic into an elegant parlor game. A Master of the "Subtle Pitfall" Amusements in Mathematics

The feature of the book is its incredible breadth. It isn't just a list of arithmetic problems; it is a tour through every corner of the mathematical imagination: Amusements in Mathematics (Dover Recreational Math) - Amazon