# Book:Joseph S. Madachy/Mathematics on Vacation

## Joseph S. Madachy: *Mathematics on Vacation*

Published $1966$.

### Subject Matter

### Contents

- acknowledgements

- preface

- 1 GEOMETRIC DISSECTIONS

- 2 CHESSBOARD PLACEMENT PROBLEMS

- 3 FUN WITH PAPER
- geometric constructions with paper only
- flexagons
- other flexagon diversions
- solid flexagons

- 4 MAGIC AND ANTIMAGIC SQUARES
- magic squares
- miscellaneous magic configurations
- antimagic squares
- talisman squares

- 5 PUZZLES AND PROBLEMS
- problems
- answers

- 6 NUMBER RECREATIONS
- numbers and their divisors
- perfect and multiperfect numbers
- prime numbers
- amicable numbers
- $0123456789$, or digital diversions
- narcissistic numbers
- factorial products
- printer's "errors"
- automorphic numbers
- two rather large numbers

- 7 ALPHAMETICS
- alphametic puzzles
- answers

- 8 CONGLOMERATE
- the problem of the mice
- deployment
- domino recreations
- lost chords
- bounding billiard balls

- GLOSSARY
- BIBLIOGRAPHY
- INDEX