Volume 41 (2008/2009)

Volume 41, Number 1 (September 2008)

1   From the Editor SAMPLE COLUMN
2   AVIV ADLER and ILAN ADLER. Fundamental Transformations of Sudoku Grids ABSTRACT
8   JOZEF DOBOŠ. Some Irrationals do not have Special Names ABSTRACT
11   JOHN D. MAHONY. Henges, Heel Stones, and Analemmas ABSTRACT
21   STUART SIMONS. Circles, Chords, and Difference Equations. SAMPLE ARTICLE
23   ROBERT BUONPASTORE and THOMAS J. OSLER. Triangles and Parallelograms of Equal Area in an Ellipse ABSTRACT
27   M. A. NYBLOM. Counting the Perfect Powers ABSTRACT
32   PRITHWIJIT DE. Curious Properties of the Circumcircle and Incircle of an Equilateral Triangle ABSTRACT
36   MICHAEL BEER. Mathematics and Music: Relating Science to Arts? ABSTRACT
42   Letters to the Editor
43   Problems and Solutions
47   Reviews

 

Volume 41, Number 2 (January 2009)  

49   From the Editor SAMPLE COLUMN
50   JONNY GRIFFITHS. Sumlines ABSTRACT
57   SONJA HUBER and MICHAEL HANKE. Curvature, Not Second Derivative ABSTRACT
61   FRED WITZGALL. Room One ABSTRACT
64   SCOTT H. BROWN. A Tribute to Joseph Liouville: 2009 Marks the Bicentenary Anniversary of his Birth ABSTRACT
70   PRITHWIJIT DE. Radii of Touching Circles: A Trigonometric Solution ABSTRACT
74   A. W. F. EDWARDS. Degrees of Latitude ABSTRACT
77   JOHN C. B. COOPER. The Purchasing Power of Earnings Worldwide: An Application of the Lognormal Distribution ABSTRACT
81   ANNE J. SHIU and CARL R. YERGER. Geometric and Harmonic Variations of the Fibonacci Sequence ABSTRACT
86   Mathematics in the Classroom
89   Letters to the Editor
90   Problems and Solutions
93   Reviews

 

Volume 41, Number 3 (May 2009)   

97   From the Editor SAMPLE COLUMN
98   M. A. NYBLOM. How Many Digits Make a Fibonacci Number? ABSTRACT
101   KONSTANTINE ZELATOR. On k-oblong Numbers ABSTRACT
106   PAUL FJELSTAD, GUIDO LASTERS and DAVID SHARPE. Relative Arithmetic ABSTRACT
110   IAN McPHERSON and DEREK HODSON. Lottery Combinatorics ABSTRACT
116   ROBERT P. GOVE and JAN RYCHTÁR. On the Natural Exponential Function ABSTRACT
123   THOMAS J. OSLER. Another Geometric Vision of the Hyperbola. SAMPLE ARTICLE
125   ROBERT COMBS, JON KUHL and JENNIFER SWITKES. Exploring Ideas for Improving the Convergence Rate in Gauss-Seidel Iteration ABSTRACT
131   G. T. VICKERS. Nested Ellipses ABSTRACT
137   Letters to the Editor
139   Problems and Solutions
142   Reviews