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Mathematical Treasures - Nasir al-din al-Tusi's Commentary on Euclid's Elements

Author(s): 
Frank J. Swetz and Victor J. Katz

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Nasīr al-dīn al-Ṭūsī (1201 – 1274) was a Persian astronomer and mathematician.  He is noted for writing the first major work on pure trigonometry as well as for his commentaries on Greek works.  This is a page from a later Arabic edition of his commentary on Euclid’s Elements, a page dealing with Euclid's method of exhaustion.

Index to Mathematical Treasures

Frank J. Swetz and Victor J. Katz, "Mathematical Treasures - Nasir al-din al-Tusi's Commentary on Euclid's Elements," Convergence (January 2011)

Mathematical Treasures from the Smith and Plimpton Collections at Columbia University