पृष्ठम्:आर्यभटीयम्-भागः २ (व्याख्या-नीलकण्ठसोमसुत्वन्).pdf/५

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P R E F A CB This is the second part of the Aryabhatiya, the first part of which was published in this series with the Bhya of Gargyakeralanilakkunthakona£utvan. {1n consonance with the statement, आर्यभटस्त्रीणि गदति गणितं कालक्रियां गोलम्" the Yopic dealt with here is कालक्रिया. This valuable com mentary on the कालक्रियापाद composed of a few herse apho isns renders invaluable service to the ancient science of astro. nOnny g-ith ite citations of authority and illustrations, always bearing in mind the mater at hand and explaining with a eal. th of cogent and many-sided reasoning. Wonderful are the methods of exposition of the author of this commentary who justifies his enunciations by exhaustive discussions, mentioning the manifold methods of ancient Auaryas in the process of making astronomical calculations. [e is a matter for innense gathcation for Keraliyas that his commentary makes it palpably evident that the great Hindia Areas of the East like those of the West had recourse to independent mechanical contrivances for the purposes of accurate planet ary observations and calculations, We hope to dwell at length on the achievenients of NFlakan thasomayjin, the author of this eOnnmentary in the introduction to the Golapada, the third and fual part of this work that is to be published shortly. We are proud to mention that the two manuscripts that were utilized in the publica{ion of this worne, belong to His Most Gracious Highness the Maharaषुja's Palace Library. T}v&drum, } 15-73-1706. K. SAMBASKVA SASTRI.