Which are the additional functionalities of POSTGIS compared to postgreSQL?

Which are the additional functionalities of POSTGIS
compared to postgreSQL? are there additional geometrical types,
operators and functions ? which are there ?
thanks for your help

Institut de Biotechnologie des Plantes
Université Paris Sud XI

MOLINET S.

tél 01 69 15 33 85
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molinet@ibp.u-psud.fr
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