The Aryabhatiya of Aryabhata: An Ancient Indian Work on Mathematics and Astronomy - Hardcoverby Walter Eugene Clark (Author) The Aryabhatiya of Aryabhata is a book on mathematics and astronomy written by the ancient Indian mathematician and astronomer, Aryabhata. The book is translated and annotated by Walter Eugene Clark. The Aryabhatiya is divided into three sections, each dealing with a different aspect of mathematics and astronomy. The first section covers arithmetic, including the decimal system and place value notation. The second