Revert "Grown curve, bass,fisherpry"

This reverts commit 8f18909098903db6f6a85fb92cbac5003ec0a638.
Revert "Revert "Grown curve, bass,fisherpry""

This reverts commit 07e10879f62417efb4f03a74f7773eb39180cff6.
add fisher pry

Curva S