An invaluable resource for working programmers, as well as a fount of useful algorithmic tools for computer scientists, astronomers, and other calendar enthusia

This book makes accurate calendrical algorithms readily available for computer use.

Examines the socio-cultural history of the regions where Islam took hold between the 7th and 16th century. This two-volume work contains 700 alphabetically arra

This well-schooled text provides a detailed description of how to perform practical astronomy or spherical astronomy. It is an authoritative source on astronomi