Penrose, a cat with a knack for math, takes children on an adventurous tour of mathematical concepts from fractals to infinity.
The Adventures of Penrose the Mathematical Cat
Fractals, Googols, and Other Mathematical Tale
Further Adventures of Penrose the Mathematical Cat
More math adventures with Penrose the mathematical cat
Puzzles from Penrose the Mathematical Cat
Math For Kids and Other People Too
by theoni pappas |數學貓彭羅斯 |
