Note 1 — CHAP. IX.
Reading edition
: A summary of the knowledge possessed by the early Hindus of astronomy and mathematical science will be found in MOUNTSTUART ELPHINSTONE'S History of India during the Hindu and Mahomedan Periods, book iii. ch. i. p. 127.
2: Rajaratnacari p. 40.
3: Mahawanso, ch. xxix. p. 169-173.