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Here is mostly what you get with Advanced vs. Base:
David R. Martin II
Senior CAD Application Specialist
Amazon
For details, please refer to the datasheets for PTC Creo Simulate and PTC Creo Advanced Simulation Extension found at www.ptc.com.
http://www.ptc.com/appserver/wcms/standards/fileothumbredirect.jsp?&im_dbkey=128132&icg_dbkey=841
http://www.ptc.com/appserver/wcms/standards/fileothumbredirect.jsp?&im_dbkey=149393&icg_dbkey=841
Thanks,
Christos Katsis
PTC