Towards the end of this Part are given three appendices, containing Index of Half-verses, List of Word-numerals and Glossary of Terms used by Vatesvara, and General Index. It is hoped that these will prove useful to the reader.
ACKNOWLEDGEMENTS
The present publication is sponsored by the Indian National Science Academy, New Delhi. I am greatly indebted to Professor F. C. Auluck, then Vice-Chairman, National Commission for the Compilation of History of Sciences in India, who requested me to edit the Vateśvara-siddhānta for the Academy. The credit for the publication of this work is indeed due to him. All workers in the field of Indian mathematics and astronomy must be grateful to him. My first and most cordial thanks are due to him.
I must offer my cordial thanks to Dr. A. K. Bag, Asst. Executive Secretary, Indian National Science Academy, New Delhi, who evinced keen interest in the preparation and publication of this book and offered all possible help.
I am under great obligation to Pandit Markandeya Mishra, Jyotishacharya, my former colleague and friend, whose scholarly assistance and advice was of great help in the editing of the text. My heartiest thanks are due to him. My thanks are also due to Dr. K. V. Sarma, Honorary Professor of Sanskrit, Adyar Library and Research Centre Adyar, Madras, for his suggestions regarding the arrangement of the textual matter, and to my student Shri Yukio Ohashi for his assistance in proof-reading on various occasions and for help in preparing the General Index.
I am grateful to the late Pandit Girish Chandra Awasthi, formerly Head of the Oriental Department, Lucknow University, Lucknow, for kindly making the manuscript (Ms. A) of the Vateśvara-siddhānta of his collection available to me for my use and later presenting it to the
