Contents of Volume 9,

**Journal of Recreational Mathematics,**1976-77# Number 1

“The Computer as Master Mind,” by Donald E. Knuth

Announcement

“The Probability of Winning a Simple Card Game,” by Charles
F. Winans

Four Quickies

“Mental Heck,” by Fred E. Foldvary

“k-Reverse-Transposable Integers,” by Steven Kahan

Answers to Four Quickies

Alphametics

“Quips,” by Myron Tepper

Problems and Conjectures

Letter to the Editor, by E. J. Barbeau

Computer Challenge Corner

Review

Solutions to Problems, Conjectures and Alphametics

# Number 2

Editorial

“A Search for Large Weird Numbers,” by Sidney Kravitz

Busywork Problems

“Infinite Magic Squares,” by Ronald J. Lancaster

“Analysis of Game Theoretic Craps,” by Harry L. Nelson

More Busywork Problems

“More Fractured Fractions,” by Steven Kahan

Letter to the Editor, by Solomon W. Golomb

“Disproof of a Conjecture on Biconcatenated Primes,” by
Edmond E. Griffin II and Lawrence C. Washington

“The Spirit of ’76 or Who Hid the Fibonacci,” by Norris
Goodwin

“Modified Digitadition,” by Charles F. Winans

Solutions to Busywork Problems

“Twin Primes with Polygonal Number Means,” by Harvey J.
Hindin

Book Reviews, by Charles W. Trigg and Wade E. Philpott

Letters to the Editor, by Leslie E. Card

Alphametics

Problems and Conjectures

Computer Challenge Corner

Solutions to Problems and Conjectures

Errata

Index to Volume 8

# Number 3

“Every Planar Map is Four Colorable,” by Kenneth Appel and
Wolfgang Haken

Six Little Problems

“Cycle Digital Geometric Progressions,” by Charles W. Trigg

Occasional MatheMADics

“A Tale for Mathematicians,” by Annette Sinclair

“Calculator Crossword Puzzle,” by Eleanore Machlowitz

“π

_{t},” by Underwood Dudley
“A Course in Recreational Mathematics at Temple University,”
by Bonnie Averbach and Orin Chein

“The Stars on the United States Flag,” by Sidney Kravitz

“Lucas’ Solution to the Non-Attacking Rooks Problem,” by
Paul J. Campbell

Solution to Calculator Crossword Puzzle

Book Reviews, edited by Charles W. Trigg

Solution to Gamesman’s Corner

“Counting Squarely,” by N. T. Gridgeman

“The Gamesman’s Corner,” by David L. Silverman

Alphametics

Problems and Conjectures

Solutions to Problems, Conjectures and Alphametics

Solutions to Six Little Problems

Solutions to Computer Challenge Corner

# Number 4

“Perfect Magic Icosapentacles,” by Bayard E. Wynne

A Word Snowball

“Euler’s Formula and a Game of Conway’s,” by Hugo D’Alarcao
and Thomas E. Moore

“Generalized Coverings with Polyominoes,” by F. Göbel and A.
A. Jagers

“Devising Divisibility Tests,” by David M. Burton

Conference Announcement

“Mathematics in Juggling,” by Michael Keith

“Digital Fractions,” by Stewart Metchette

“Absolute Difference Triangles,” by Charles W. Trigg

Letters to the Editor, by Ian P. Howard, Friend H.
Kierstead, Jr. and Samuel Yates

Alphametics

Solutions to Alphametics, Vol. 8(4)

Computer Challenge Corner

Solution to Word Snowball

Solutions to 8(4) Computer Challenges

Problems and Conjectures

Solutions to Problems and Conjectures

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