Contents
of Journal of Recreational Mathematics Volume 12, 1979-80
Number
1
Editor’s Page, by Harry L. Nelson
“L-Play is a Draw,” by Karl Scherer
“Repdigit Polygonal Numbers,” by Michael Keith
“Exploring the Planiverse,” by A. K. Dewdney
“The Magic of Pi,” by Monte Zerger
“Mama-thematics,” by Charles W. Trigg
“On ‘LEGO’ Towers,” by P. J. S. Watson
“Ratios of Sequential Digit Numbers,” by Se June Hong
and Daniel L. Ostapko
“Magic Math – A New Dice Toy,” by Benjamin L. Schwartz
“Fibonoid Sequences Modulo m,” by Henry A. Kierstead
Alphametics and Solutions to 11(1) Alphametics, edited
by Steven Kahan
Problems and Conjectures, edited by Friend H.
Kierstead, Jr.
Solutions to Problems and Conjectures, edited by John
Brinn and Romae Cormier
“The Persistent Difference,” Israel Cohen
Solvers List
“Occasional MatheMADics,” by Charles W. Trigg
Number
2
“Treating 1978 in an Orderly Manner,” by C. S.
Metchette
“An Acute Analysis of an Obtuse Problem from a New
Angle,” by Henry A. Kierstead
Errata
“Rational Geometric Dissections of Convex Polygons,”
by David M. Collison
Letter to the Editor, by Henry A. Kierstead
“Subdividing a Box into Completely Incongruent Boxes,”
by William H. Cutler
“The Duffinian Numbers,” by L. Richard Duffy
More Errata
“Generalization of the 64/16 Problem,” by R. P. Boas
“Some Related Prime Sequences,” by Charles W. Trigg
Book Reviews, edited by Charles W. Trigg
“Some New Results on a Shuffling Problem,” by James O.
Achugbue and Francis Y. Chin
Alphametics and Solutions to 11(2) Alphametics, edited
by Steven Kahan
Problems and Conjectures, edited by Friend H.
Kierstead, Jr.
Solutions to Problems and Conjectures, edited by John
Brinn and Romae Cormier
“Solutions to Two ‘Old’ Problems,” by Paul Erdös
Number
3
“Problem Editor’s Page,” by F. Kierstead
“Inside Out Dissections,” by David M. Collison
“The Icosahedron and Tangled Tetrahedron,” by Henry
Lulli
“Queen Squares,” by David A. Klarner
“On the Problem of Reflecting Queens,” by Yukio Kusaka
“Tell All the Lies You Want – Liars Never Win,” by
Paul Hartung
“The Powers of 37,” by Charles W. Trigg
“Island of Five Color Tribes,” by Makoto Arisawa and
Takeshi Nakajima
“The Fibonacci Series in the Decimal Equivalents of
Fractions,” by Charles F. Winans
“Some New Results on Y-Pentominoes,” by Karl Scherer
Letters to the Editor
Alphametics and Solutions to 11(3) Alphametics, edited
by Steven Kahan
Problems and Conjectures, edited by Friend H.
Kierstead, Jr.
Solutions to Problems and Conjectures, edited by John
Brinn and Romae Cormier
Solvers List
Plus: Filler Fun on pages: 176, 178, 181, 185, 191,
194, 200, 204, 217, 221, 224, 237
Number
4
“The Duke Checker Program,” by Tom Truscott
“Magic Squares Composed of Consecutive Odd Prime
Numbers,” by William H. Benson
“Scrabble Problem,” by Harry Nelson
“A Search for N-Pentacube Prime Boxes,” by David
Klarner
“Pirates of Penzance,” by Frank Rubin
“Sharing the Lore,” by John McClellan
“Integers Closed Under Reversal-Subtraction,” by
Charles W. Trigg
Quickies
“On the Digital Root Series,” by V. Sasi Kumar
“A Theorem Concerning Octagonal Numbers,” by William
J. O’Donnell
“Generalized Fractured Fractions,” by Michael Keith
Letters to the Editor
“Togetherness,” by Charles W. Trigg
Book Reviews, edited by Charles W. Trigg
Alphametics and Solutions to 11(4) Alphametics, edited
by Steven Kahan
“Digit Sums of Powers,” by Herman Nijon
Problems and Conjectures, edited by Friend H.
Kierstead, Jr.
Solutions to Problems and Conjectures, edited by John
Brinn and Romae Cormier
List of Solvers
