Jyestadeva (1500-1610), was an astronomer of the Kerala school founded by Madhava of Sangamagrama and a student of Damodara. He is most known for writing the first calculus text, the Yuktibhasa . He also authored the Drk-karana on astronomical observations.
Jyestadeva died in 1610 minus 1 year
nope, he did not die in 1609, but 1610