# Al-KhalīLĪ's Auxiliary Tables for Solving Problems of Spherical Astronomy

@article{King1973AlKhalLsAT, title={Al-KhalīLĪ's Auxiliary Tables for Solving Problems of Spherical Astronomy}, author={David King}, journal={Journal for the History of Astronomy}, year={1973}, volume={4}, pages={110 - 99} }

Early in the development of Islamic astronomy there were tabulated sets of functions which had no direct astronomical significance, but were of such a nature that ordered applications of them would lead to the solution of spherical astronomical problems. These auxiliary tables reveal considerable mathematical ingenuity on the part of their original compilers. Thus far the tables of three important Islamic astronomers have been studied, namely, those of Habash al-Hasib(ca 850); AbU Nasr Mansur…

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