Ian Stewart

Ian Stewart is an emeritus professor of mathematics at the University of Warwick. The author of numerous books on math, his writing has appeared in New Scientist, Discover, Scientific American, and many newspapers in the United Kingdom and the United States. He lives in Coventry, England.

Author photo by Avril Stewart



SciFri Celebrates π

This year holds an unusually special treat for enthusiasts of the constant π: March 14, 2015 approximates π not just to the usual three digits (3.14) but to five: 3.14.15.

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