Mīrzā Abū Turāb Naţanzī and A Novel Attitude to the Problem of Trisection of An Angle

Subject Areas : The Journal of Islamic History and Civilisation

هادی عال مزاده ¹ , فاطمه دوست قرین ²

1 - ندارد
2 - ندارد

Received: 2009-01-11 Accepted : 2009-02-22 Published : 2009-02-19

Keywords: sciences in Qajarid era, Mīrzā Abū Turāb, Trisection&#x0D, &#x0D, of An Angle,

Abstract :

Qajarid era was simultaneous with huge social and cultural changesin Iran, including the teaching of exact sciences in modern schoolsrather than traditional seminaries; we encounter a religious scholar,who was expert in both fields of rational and traditional sciences,called Mīrzā Abū Turāb Naţanzī. In a treatise entitled Dar Ma، rifatiWatar-i Thulth-i ķaws-i Ma، lūma al-Watar (on the knowledge ofthe chord of one-third of an arc with a known chord), he presented anovel numerical method for trisecting an angle. This article is tosurvey Mīrzā Abū Turāb’s biography and works, and introduce histreatise and method.