Contents of Volume 8,

**Journal of Recreational Mathematics,**1975-76# Number 1

“Faro Shuffling and Card Placement,” by S. Brent Morris

“A Game of Permutations,” by S. S. Reddi

“Integrally Inscribed Regular Triangles and Hexagons,” by
George Berzsenyi

“Icosahedron Construction,” by Henry Lulli

“The Quadratic Formula Streamlined,” by Bruce E. Bushman

“Mathematical Recreations as Seen on Postage Stamps,” by
William L. Schaaf

“Beggar-My-Neighbor,” by Alan S. C. Ross

“The Maximum Number of Angels That Can Stand On the Head of
a Pin – A Paradox Resolved,” by Myron Tepper

“Prime Divisors of Repunits,” by Samuel Yates

“There Is a Better Sequence,” Harry L. Nelson

Alphametics

Problems and Conjectures

Solutions to Problems, Conjectures and Alphametics

Index for Volume 7

# Number 2

“Checking Out A One-Liner,” by Samuel Yates

“Some Dangers of Machine Calculation,” by Leon E. Winslow

“Reversible Multiples,” by C. A. Grimm and David W. Ballew

“Palindromic Figurate Numbers,” by David W. Ballew and Jane
Vande Bossche

“Repdigit Triangular Numbers,” by David W. Ballew and Ronald
C. Weger

“Cofactors of Repunits,” by Samuel Yates

“’Triangulizing’ a Set of Points,” by R. W. Gaskell and P.
J. S. Watson

“Tiling with Incomparable Rectangles,” by Andrew C. C. Yao, Edward
M. Reingold and Bill Sands

“Some Variants of Hex,” by Ronald Evans

“Biocatenated Primes,” by Charles W. Trigg

“Treat 1975 in an Orderly Fashion,” by Mary Sullivan, Joanne
Costello and Margaret Kenney

“Pathological Solutions to a Popular Puzzle,” by David J.
Piggins

“Clever Construction,” by Brian R. Barwell

“A Theorem on Palindromic Triangular Numbers,” by Harvey J.
Hinden

Book Review

Errata

Problems and Conjectures

Alphametics

Solutions to Problems, Conjectures and Alphametics

# Number 3

“On the Problem of Interchangeable Clock Hands,” by Thomas
Szirtes

“Tower of Hanoi with More Pegs,” by Brother Alfred Brousseau

ABC Puzzles – Puzzle A

“Rotation of a String Figure,” by Ali Amir-Moéz and J. David
Hamilton

“Classifying and Counting Hexaflexagrams,” by Thomas J.
O’Reilly

Announcements

“Colored Polyhedra,” by N. T. Gridgeman

“In Search of Colorations,” by George Berzsenyi

“One Giant Step for Mathematics,” by Hyman Gabai

“Four ‘Golden’ Prime Families,” by William Raymond Griffin

ABC Puzzles – Puzzle B

“A Generalization of the Golden Ratio,” by Anthony K.
Whitford

“A Plane Strategy for 3-D Tic-Tac-Toe,” by David A. Sheppard

“Sylvester Primes,” by Samuel Yates

“Numeroddities,” by Clifford C. Corbet

ABC Puzzles – Puzzle C

“Ten Digits Used in a Multiplication,” by Herman Nijon

Book Reviews, edited by Charles W. Trigg

“Mathematics From Mars,” by Michael Keith

Alphametics

Problems and Conjectures

Computer Challenge Corner

Solution to “Mathematics From Mars” on page 226

Errata

Solutions to ABC Puzzles on pages 176, 202, 222

# Number 4

“Fifth-Order Multi-Multigrades,” by Donald Cross

“Find the Next Sequence,” O. D. Anderson

“A Mental Perpetual Calendar,” by Michael Keith

“More Quick Multiplication,” by Harvey J. Hindin

“The General Solution in Positive Integers of the Equation a

^{2}– ab + b^{2}= c^{2},” by Peter Heichelheim
“Short Cuts for Testing Divisibility,” by Charles F. Winans

“Formulating Polyhedral Nets,” by William Becker

“Polygonal Cycloids,” by Duane W. DeTemple and Michael L.
Engquist

“9:8:7,” by Samuel Yates

“1776 – 1976,” by Mary M. Sullivan

“Perfect Magic Cubes of Order Seven,” by Bayard E. Wynne

“A Theorem on Palindromes,” by Harvey J. Hindin

Letters to the Editor

Book Reviews, edited by Charles W. Trigg

Computer Challenge Corner

Alphametics

Problems and Conjectures

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