Contents
|
Editorial |
|
193 |
Articles |
|
|
| Cyclotomic polynomial factors |
Richard Grassl and
Tabitha T.Y. Mingus |
195 |
| Functional equations and groups |
Malcolm Perella |
202 |
| A new algorithm for computing the
logarithmic function
|
Stuart Simons and Andrew Tworkowski
|
212 |
| Timetable spread and lattice energies
|
Jeremy D. King |
222 |
Matter for Debate |
|
|
| Should we reform the teaching of calculus?
|
Hugh Thurston |
233 |
Notes 89.28 to 89.56 |
|
|
| When the perimeter divides the area of a triangle |
Philip Maynard and Yinghui Zhou
|
235 |
| An extension of the fundamental theorem on right-angled triangles |
Dominic Vella and Julia Wolf |
237 |
| A short note on the divisibility of numbers consisting of repeated digits |
Michael Smith |
244 |
| Comment on Mersenne composites and cyclotomic primes |
Patrick Quill
|
245 |
| On a particular Diophantine equation
|
Des MacHale
|
246 |
| Determinants of binomial coefficients
|
K. Robin McLean
|
247 |
| Proof without words-arc length of the cycloid
|
Thomas J. Osler |
250 |
| Another look at the calculus power rules |
Sidney Schuman |
251 |
| On evaluating the probability integral: a simple one-variable proof |
Robert M. Young |
252 |
| Series for Pi derived from the Gregory-Leibniz series |
Hwang
Chien-Lih
|
254 |
| An identity involving binomial coefficients
|
Michael D. Hirschhorn |
256 |
| Yet another look at a curious identity
|
J. A. Scott |
259 |
| A difference equation approach to a curious number |
J. A. Scott |
259 |
| The golden ratio--the right triangle-and the arithmetic, geometric, and harmonic means |
Angelo Di Domenico |
261 |
| Donofrio's theorem
|
Raymond N. Greenwell |
261 |
| Some convergent real sequences related to Euler's constant |
Gh. Costovici |
262 |
| A curious identity proved by Cauchy's integral formula |
Helmut Prodinger |
266 |
| A binomial identity, via derangements
|
Leo Chao, Paul DesJarlais
and John L. Leonard |
268 |
| Extended polygons
|
Philip Maynard |
270 |
| The generalised coin weighing problem
|
Michael Wetherfield |
275 |
| The twelve coin problem
|
Cedric S |
280 |
| A Ceva-type theorem for the cyclic quadrilateral
|
Larry Hoehn |
282 |
| On Viviani's theorem in three dimensions
|
Ken-ichiroh Kawasaki,
Yoshihiro Yagi
and Katsuya Yanagawa |
283 |
| On
the tetrahedron inequality |
Philip Maynard |
287 |
| Approximate constructions for regular polygons
|
Martin Perkins
|
290 |
| Discrete cycloids
|
Philip Maynard and Yinghui Zhou |
292 |
| Another decreasing sequence of triangles
|
J. A. Scott |
296 |
| Integral Apollonian circle packings and touching sets |
Paul Stephenson |
297 |
| On spiders, cranes, fishing lines, balloons, mines etc. |
Stuart Simons 301 |
301 |
| |
|
|
Feedback
|
|
304 |
Correspondence |
|
312 |
Problem Corner |
Nick
Lord
|
314 |
Student Problems |
Tim
Cross
|
323 |
Reviews |
|
326 |
