Ironic how NONE of the above requirements were met in this case, it was not transformative, it was not "commented upon", it was not "criticized". It appeared to me the main end result here, intended or not, was the post precluded the OP from purchasing the quoted authors book and getting his desired information from authors copyrighted graph, rather then a generic formula, IMO.
Ostrich's don't miss much either, you can quote me on that.
Tony and AndyF, this is not about you guys.