Classic Thinking Games with Java
by Walter Koetke
$29.95

ISBN: 0-922473-02-1
204 pages; comb bound
©2007 Basics & Beyond Inc

Number Wonder
by Walter Koetke
$29.95

ISBN: 0-922473-00-5
172 pages; comb bound
©2003 Basics & Beyond Inc

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Preface for Students

Magnetic Numbers

A Magician's Trick

The Kaprekar Procedure

Composite and Prime Numbers

Adding Integers

Factoring Integers

Sieve of Eratosthenes

Factoring Large Numbers

Distribution of Prime Numbers

Prime Formulas

Creator Numbers and the 113 Mystery

Creator Numbers

Four Fours Problem

Sequences and Numeric Black Holes

Integer Sequences

More About Difference Tables

Numeric Black Holes

The Collatz Conjecture

Palindromes

Marginal Notes

Goldbach's Conjecture

Goldbach's Comet

Really Secret Activities

Characteristics of Effective Secret Codes

Offset Codes

A Secure Secret Code

Mathematical Background

RSA Algorithm

Creating Public and Private Keys

Solutions to Problems

Bibliography

Index

Teaching Notes