Volume 12 - Issue 3 - May 1980

Mathematical Spectrum Click image to download issue

A new cover for Mathematical Spectrum?
   Editorial
   p. 65

Calculating without a scientific calculator
   Hugh Neill
   pp. 65-69

Four theorems for a desert island
   David W. Sharpe
   pp. 70-75

The 'simple' pendulum
   D. W. Jordan, P. Smith
   pp. 76-84

Perfect numbers and Mersenne primes
   E. J. Scourfield
   pp. 84-92

Letter to the Editor: Pythagorean numbers
   Paul Heath
   p. 93

Letter to the Editor: Tests for divisibility
   A. J. Granville
   pp. 93-94

Letter to the Editor: A Bayesian look at the jury system
   Neville K Upton
   pp. 94-95

Letter to the Editor: A Bayesian look at the jury system
   J. W. Hille
   p. 95

Problems and Solutions
   pp. 96-99

Book review: Elementary Number Theory by U. Dudley
   (Collier Macmillan, 1979)
   H. Neill
   p. 101

Book review: Finite Mathematics with Applications by A. W. Goodman,
   J. S. Ratti Collier Macmillan, 1978)
   H. Neill
   p. 101

Book review: The Cambridge Elementary Mathematical Tables
   by J. C. P. Miller, F. C. Powell (Cambridge University Press, 1979)
   H. Neill
   p. 101