Contents
|
Articles |
|
|
| Something interesting! (The 1999 Presidential Address) |
J. Chris Robson |
386 |
| What goes round comes round |
Victor Bryant |
394 |
| What shape is an ellipse? |
Ann E. Hirst |
400 |
| Families of ovals and their orthogonal trajectories |
D.F. Lawden |
410 |
| Simple mappings in mechanics |
Drago Bajc |
421 |
| Solitary Solarians and densely packed spheres |
Paul Stephenson |
426 |
| An isoperimetrical problem in n dimensions |
Werner Schindler |
433 |
| Divisors of n! |
Keith Hirst |
440 |
| Playing with Pythagoras and geometric arithmetic |
|
446 |
Student Workshop |
|
|
| Decimal déj? vu |
John R. Silvester |
453 |
Notes 83.46 to 83.69 |
|
|
| Equifacial tetrahedra and a famous location problem |
Y.S. Kupitz and H. Martini |
464 |
| The Secret Santa problem |
Kelly M. McGuire, George Mackiw and
Christopher H. Morrell |
467 |
| Some examples of the use of areal coordinates in triangle geometry |
J.A. Scott |
472 |
| Symmetric cubic functions and inequalities |
K. Robin McLean |
477 |
| Recent formulae for p: arctan
revisited! |
Nick Lord |
479 |
| On a theorem of Brianchon and Poncelet |
Kenzi Odani and Shihomi Takase |
483 |
| A faster convergence to Euler's constant |
Tanase Negoi |
487 |
| A circuitous way to differentiate sin q |
Steve Abbott |
489 |
| Almost pavings of patios |
Reg Allenby |
490 |
| More on the formula for loops in a box |
Rodney Berrieman |
492 |
| An analytical proof of the generalised Steiner-Lehmus theorem |
Mowaffaq Hajja |
493 |
| Another problem for Carl Friedrich: on the sums Sni=1éi/pù and Sni=1ëi/pû |
Hans J.H. Tuenter |
495 |
| Hyperbolic Mensuration |
Graham Hoare |
497 |
| A brief note to prove Roth's removal rule |
A.J.B. Ward |
499 |
| The mathematics of equal temperament |
John B. Reade |
500 |
| Irrational roots |
Colin Richard Hughes |
502 |
| A trigonometric proof of a trigonometric inequality |
M. Drukker |
503 |
| A definite integral via a difference equation |
Frank Chorlton |
504 |
| No converse to Lagrange's theorem |
Bob Burn |
505 |
| Numbers and their digits - II |
S. Parameswaran |
506 |
| A 'radical' definition for sample variance |
Gerald Newth |
507 |
| Why Simpson's rule gives exact answers for cubics |
Raymond N. Greenwell |
508 |
| A simple proof of the Lagrange identity on vector products |
Manuel Álvarez and Joaqu?n M. Gutiérrez |
509 |
| The velocity vector as Pinocchio's nose |
Stephen Warr |
509 |
Correspondence |
|
511 |
Problem corner |
G. T. Q. Hoare |
514 |
Students problems |
Tim Cross |
519 |
40th International Mathematical Olympiad |
Imre Leader |
522 |
Other Journals |
Anne C. Baker |
529 |
Book Reviews |
|
533 |
Acknowledgements |
|
574 |
