Reconstruction of a Greek table of chords

  title={Reconstruction of a Greek table of chords},
  author={B. L. Waerden},
  journal={Archive for History of Exact Sciences},
SummaryR. R. Newton has shown that Ptolemy's table of solar declinations (Almagest I, 15) was not computed from Ptolemy's own table of chords. Newton explains this by assuming that Ptolemy copied his table of declinations from an earlier source, and that originally the table has been computed by means of a less accurate table of chords.In the present paper I shall venture a tentative reconstruction of the method of computation of this ancient table of chords. The clue to this reconstruction is… Expand
Bibliography of BL van der Waerden
From Hipparchus to a helix ruler