History of Forgetting curve

	Revision 5 . . (edit) August 10, 2001 9:57 pm by Lee Daniel Crocker
	Revision 4 . . August 10, 2001 9:53 pm by Piotr Wozniak [Explanation of forgetting rate]
	Revision 3 . . August 10, 2001 9:38 pm by MichaelTinkler [*added talk]

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