Brahmagupta-Fibonacci Identity/Historical Note

Historical Note on Brahmagupta-Fibonacci Identity
Both and  described what is now known as the Brahmagupta-Fibonacci Identity in their writings:


 * 628: : Brahmasphutasiddhanta (The Opening of the Universe)
 * 1225: : Liber quadratorum (The Book of Squares)

However, it appeared earlier than either of those in 's of the third century C.E.