>> 1) Sources detailing Al-Kashi's (1424) calculation of pi (using a
>> regular polygon having 805, 306, 368 sides) which was correct to
>> 16 places of decimals....
>>
> A few details can be found in:
> Histoire des Sciences Arabes, Roshdi Rashed editor
> (Editions du Seuil, 1997)
> The book is written in French, and I do not know if it was ever
> translated.
>
Histoire des Sciences Arabes, Roshdi Rashed editor (1997) was first
published in English:
Encyclopedia of the History of Arabic Science, edited by Roshdi Rashed
with the collaboration of Regis Morelon. London and New York: Routledge.
Issued March 1996, 3 vols., 1128 pp.; vol. 1: Astronomy - Theoretical
and Applied; vol. 2: Mathematics and the Physical Sciences; vol. 3:
Technology, Alchemy and Life Sciences.
Best wishes from sunny Fez
Mohammed
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Mohammed ABATTOUY
M. ben Abdellah University, Department of Philosophy, Dhar el-Mehraz,
P. O. Box 50 - 30.001. Fez Tel/Fax (home): (212) 5. 62. 62. 92
E-mail: abattouy@fesnet.net.ma & abattouy@casanet.net.ma
Max Planck Institute for the History of Science,
Wilhelmstrasse, 44. D-10117 Berlin - abattouy@mpiwg-berlin.mpg.de