Wednesday, July 13, 2016

Contents of Volume 23, "Journal of Recreational Mathematics"



Contents of Volume 23, Journal of Recreational Mathematics

Number 1


“Is the Great One Slipping? Not on the Ice,” by Robert J. Downs and Paul M. Sommers
Letter to the Editor
“A Prime Gap of 784,” by Sol Wientraub
“Five-Digit Primes with Centrally Imbedded Repdigits,” by Charles W. Trigg
Letter to the Editor
“Products of Repdigit-9 Multipliers,” by John Caffrey
“Welcome Back, Dr. Matrix,” by Samuel Yates
“Tables of Square Palindromes in Bases 2 and 10,” by J. Keith Barnett
“Sign In Please!” by Steven Kahan
“Triangular Solitaire,” by John Duncan and Donald Hayes
Letter to the Editor
“Pat Hands – A Progress Report,” by Benjamin L. Schwartz
“In Honor of Maria Agnesi,” by Hyman Gabai
“Prime Concatenations by N and N + 1,” by Charles W. Trigg
“A New Method for Finding Prime-Rich Equations of the Type x^2 – x + c,” by Robert S. Sery
Book Reviews, edited by Samuel Yates
Alphametics and Solutions to 22(1) Alphametics, edited by Steven Kahan
“BASIC,” by Hyman Gabai
Problems and Conjectures, edited by Joseph S. Madachy
Solutions to Problems and Conjectures
Solvers’ List

Number 2


“A PROLOG Mastermind Program,” by Antonio M. Lopez, Jr.
“Properties of the Prime-Number Triplets and Quadruplets,” by R. M. Sternheimer
“1991 – The Palindrome of the Century,” by Mary M. Sullivan
“Triangular Peg Solitaire on a Microcomputer,” by William A. Miller
“Teaching Trigonometry to Wicker Furniture,” by Elizabeth Anne Viau
“Ode to the Golden Triangle,” by Keith Ferland
“Pat Hands Completed,” by Benjamin L. Schwartz
“Women Mathematicians,” by Hyman Gabai
Book Reviews, edited by Samuel Yates
Samuel Yates (1919 – 1991)
Alphametics and Solutions to 22(2) Alphametics, edited by Steven Kahan
Problems and Conjectures, edited by Joseph S. Madachy
Solutions to Problems and Conjectures, edited by Joseph S. Madachy
Errata
Solvers’ List



Number 3


“A Catalog of Symmetric Self-Similar Space-Filling Curves,” by Yoshio Ohno and Koichi Ohyama
“The Secret of Franklin’s 8 x 8 ‘Magic’ Square,” by Lalbhai D. Patel
“Young Archimedes,” by Hyman Gabai
“Magic Squares, Matrices, Planes and Angles,” by Frank E. Hruska
“Minimum Prime Pandiagonal Order-6 Magic Squares,” by Allan William Johnson, Jr.
“Variations on Trigg’s Constant,” by John Caffrey
“The Discovery of Calculus,” by Hyman Gabai
“Prime-Rank Concatenated Primes,” by Charles W. Trigg
“Rank-Prime Concatenated Primes,” by Charles W. Trigg
“Continued Roots in the Complex Plane,” by Clifford A. Pickover and Akhlesh Lakhtakia
“The Algebraists,” by Hyman Gabai
“Products of Repdigit-3 and Repdigit-6 Multipliers,” by John Caffrey
“Progress in Arithmetic,” by Hyman Gabai
“The 31 Game,” by Harold Newman
“The Ultimate Computer,” by Hyman Gabai
Letter to the Editor
Book Reviews
Alphametics and Solutions to 22(3) Alphametics, edited by Steven Kahan
Problems and Conjectures, edited by Joseph S. Madachy
Solutions to Problems and Conjectures, edited by Joseph S. Madachy
Solvers’ List

Number 4


“On the Probabilities of Some Unusual Birthdays,” by R. M. Sternheimer
“Some Results on Digit Sum Sequences,” by Chris Long
“Nine-Digit Equations,” by Charles W. Trigg
“A Catalog of Non-Symmetric Self-Similar Space-Filling Curves,” by Yoshio Ohno and Koichi Ohyama
“Solution to Nine-Digit Equations”
“Solutions to the N x N Knights Cover Problem,” by Anderson H. Jackson and Roy P. Pargas
“On Palindromic Numbers and Their Divisibility by 11,” by R. M. Sternheimer
“Are There Pay Differentials in the Major Leagues? Some Ballpark Figures,” by Paul M. Sommers
“Some Special Second-Order Determinants,” by Charles W. Trigg
“Curiosa Involving the First Ten Perfect Numbers,” by Charles W. Trigg
Book Reviews, edited by Joseph S. Madachy
Alphametics and Solutions to 22(4) Alphametics, edited by Steven Kahan
Problems and Conjectures, edited by Joseph S. Madachy
Solutions to Problems and Conjectures, edited by Joseph S. Madachy
Letter to the Editor, by Palmer O. Hanson, Jr.
Solvers’ List




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