* [[ജ്യേഷ്ഠദേവൻ|Jyeshtadeva]] (c. 1500–c. 1610) – astronomer-mathematician of the [[കേരളീയഗണിതം|Kerala school of astronomy and mathematics]]; author of a treatise on, [[കലനം|calculus]] എന്നിവയുടെ ഉപജ്ഞാതാവ് .<ref>{{cite web|url=http://www.new.dli.ernet.in/rawdataupload/upload/insa/INSA_1/20005ac0_185.pdf|title=Archived copy|accessdate=2010-01-28|archiveurl=https://web.archive.org/web/20140912165846/http://www.new.dli.ernet.in/rawdataupload/upload/insa/INSA_1/20005ac0_185.pdf|archivedate=2014-09-12|deadurl=yes|df=}}.</ref>