Contents
Editorial		193
Articles
More Power to Fibonacci	Barry Lewis	194
Prime factors in generalised Fibonacci sequences	Bob Burn	203
An Argand diagram for two by two matrices	Tony Crilly	209
A journey round the triangle	H. Martyn Cundy	217
The wonder of Horner's method	Alex Pathan and Tony Collyer	230
On the scientific explanation of parhelia	J. B. Reade	243
Mathematics teaching in Scotland today	Chris Pritchard	250
Mathematics masterclasses and their organisation	M. J. Sewell	267
Notes 87.30 to 87.50
A surprising identity involving Fibonacci numbers	N. N. Kasturiwale	277
A formula for weighted Fibonacci sums	Robert J. Clarke	279
Some improved dissections of squares	Joe Kingston and Des MacHale	280
Comment on 'Dissecting squares'	Michael D. Hirschhorn	286
Some binomial coefficient identities	Michael D. Hirschhorn	288
Some remarks on difference equations	Michael D. Hirschhorn	291
Multiplying with quarter squares	Neville Holmes	296
Rapid decimal expansions of rational fractions of the forms  and	Alex Balfour	300
Which is larger, or ?	J. J. Kobine	305
Tinkering with the calculus power rules	Sidney Schuman	307
An elementary single-variable proof of	Nick Lord	308
Yet another look at	J. A. Scott	311
Evaluating	S. Simons	311
Labyrinths on polyhedra	Izidor Hafner	315
The Premiership and a measure of derangement	Neil Curwen	320
But what colour are Anna's eyes?	Paul Belcher	322
A property of triangles involving area	Angelo S. Di Domenico	323
A Heron-type formula for the triangle	ÁrpÁd BÉnyi	324
The projection of chords of a parabola on to the directrix	Koichi Ikari	326
Effect of resistive force on projectile flight times	S. Simons	328
Normal distribution algorithms	Michael Duff	331
Eighth Annual Mathematical Gazette Writing Awards		336
Obituary
Geoffrey Matthews 1917-2002	Margaret Brown	337
Appreciation
Donald Coxeter - Master of many dimensions	H. Martyn Cundy	341
Correspondence		343
Problem Corner	Graham Hoare	345
Student Problems	Tim Cross	352
Reviews		355

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