Volume 23- Issue 3 - February 1991

Mathematical Spectrum Click image to download issue

On formulas for π involving inverse tangent functions
   Alan Fearnehough
   pp. 65-67

The strange billiard table
   David Sharpe
   pp. 68-69

A Cinderella property of binomial coefficients
   Tony Barnard
   p. 69

Infinity and limits
   Joseph Rosenblatt
   pp. 70-74

Examining the surface of a hypercube
   G. N. Thwaites
   pp. 74-75

Sir Ronald Aylmer Fisher, 1890-1962
   J. C. Gower
   pp. 76-86

Get found!
   Keith E. Hellman
   pp. 87-91

Powerless arithmetic progresssions
   K. Prakash
   pp. 91-92

Computer column
   Mike Piff
   pp. 92-93

Letter to the Editor: Sums of consecutive integers
   Bob Bertuello
   p. 94

Letter to the Editor: The Gudermannian function
   Terry S. Griggs
   pp. 94-95

Problems and Solutions
   pp. 95-100

Book review: Game, Set and Math
   by I. Stewart (Basil Blackwell, 1989)
   Amites Sarkar
   p. 101

Book review: To Mock a Mockingbird and Other Logic Puzzles
   by R. Sullyman (Oxford Universities Press, 1990)
   Amites Sarkar
   pp. 101-102

Book review: Practical Statistics by M. Rouncefield,  
   P. Holmes (Macmillan Education, 1989)
   p. 102

Book review: Practical Statistics: A Teachers' Guide to the Course  
   by M Rouncefield, P. Holmes (Macmillan Education, 1989)
   Carol Nixon
   p. 102

Book review: Excursions in Number Theory
   by C. S. Ogilvy, J. T. Anderson (Dover, 1988)
   Gregory D. Economides
   pp. 102-103

Book review: Numbers Through the Ages
   Edited by G. Flegg (Macmillan Education, 1989)
   Joseph McLean
   pp. 103-104

Other books received:
   Inumeracy by J. A. Paulos (Penguin, 1990)
   Basic Statistical Computing by D. Cooke, A. H. Craven, G. M. Clarke
   (Edward Arnold, 1990)
   p. 104