Art of Problem Solving
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Bretschneider's formula: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

12 February 2021

14 August 2020

21 January 2020

11 April 2014

3 January 2012

7 October 2007

2 December 2006

1 December 2006

10 November 2006

31 July 2006

30 June 2006

21 June 2006