Mathematicians born on this day:
1732 : Lalande |
Mathematicians who died on this day:
1382 : Oresme |

Nicole Oresme | Joseph Larmor |

**Simon Newcomb** (1835 - 1909)

Ten decimal places of π are sufficient to give the circumference of the earth to a fraction of an inch, and thirty decimal places would give the circumference of the visible universe to a quantity imperceptible to the most powerful microscope.

Quoted in D MacHale, *Comic Sections * (Dublin 1993)

JOC/EFR April 2015
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School of Mathematics and Statistics University of St Andrews, Scotland | |

http://www-history.mcs.st-andrews.ac.uk/history/Day_files/Day711.html |