Raqāʼiq al-ḥaqāʼiq fī al-daraj wa-al-daqāʼiq : manuscript, [n.d.].

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Raqāʼiq al-ḥaqāʼiq fī al-daraj wa-al-daqāʼiq : manuscript, [n.d.].

"A treatise on the compilation of degrees and minutes based on the Kashf al-ḥaḳāʼiḳ of Shihāb al-Dīn Aḥmad ibn al-Majdī." Cataloging by Elinor M. Husselman, 1945. Ibn al-Majdī's Kashf al-ḥaqāʼiq deals with sexagesimal arithmetic, sexagesimal multiplication tables, and linear interpolation. David A. King, A Survey of the Scientific Manuscripts in the Egyptian National Library (Winona Lake, 1986), p. 74.

1 v. ([598] p.) : ill. ; 21 cm.

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SNAC Resource ID: 7356358

University of Michigan

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Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, b. 1423.

http://n2t.net/ark:/99166/w60c50w5 (person)

Egyptian astronomer and author of numerous works on astronomy and mathematics; muwaqqit (timekeeper) at the al-Azhar mosque in Cairo; disciple of Shihāb al-Dīn Abū al-ʻAbbās Aḥmad ibn Rajab al-Qāhirī ibn al-Majdī, (1365-1447); grandson of Jamāl al-Dīn ʻAbd Allāh ibn Khalīl al-Qāhirī al-Māridīnī (d. 1406). From the description of Jadāwil fī rasm al-munḥarifāt ʻalá al-ḥayṭān : manuscript, [n.d.]. (University of Michigan). WorldCat record id: 34366020 E...