
© COPYRIGHT 2010 iSQUARED MAGAZINE


REGULARS
News: Congruent numbers, radiation, wound healing, extinction, biological clock signals, Alan Turing, and more
Mathematical histories: Peter Rowlett describes some of the ciphers used by ancient and medieval cryptographers, and shows how to go about breaking them
Book review: The Math Book by Clifford
A. Pickover, a journey through the key
“milestones” in mathematical history, from
150 million B. C. to the present day
Great mathematicians: The life of Henri
Poincaré, who was one of history’s great
mathematical geniuses and who contributed
to an impressive range of fields during his
lifetime, both pure and applied
Puzzles: Sudoku X, Jigsaw Sudoku, Slitherlink,
Kakuro, Super Sudoku and anagrams
Endnotes: Quotes, website reviews and trivia
FEATURES
Shopping by numbers
Jennie Lees looks at the how online retailers use mathematics to generate personalised product recommendations for their customers
Where operational research began
Cathy Buchanan explores the early history of Operational Research, a field which came into its own during the Second World War
Cover Story: Mathematics and the future of transport
Transport mathematician John Hammersley introduces Véronique Pagé to a new type of transportation system, and explains how mathematical models are being used in its development