The Legal Values of Pi

  title={The Legal Values of Pi},
  author={David Singmaster},
  journal={The Mathematical Intelligencer},
  • D. Singmaster
  • Published 1 June 1985
  • Philosophy
  • The Mathematical Intelligencer
I have long been interested in the notorious attempt to legislate a legal value of π. I have read several articles [2,5,6,7,8,10] on the history of this attempt and it has been mentioned in the popular press recently [1,9]. From these it is clear that only Greenblatt [5] and Hallerberg [7] have tried to understand the obscure content of the proposed bill. Greenblatt found four different values of π given in it! Hallerberg has tried to understand how some of the values came about. 

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