numerics: revision graph

graph

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output historgram
Mon, 16 Mar 2015 12:02:56 -0700, by Jeff Hammel
fix up how this works slightly
Sun, 15 Mar 2015 21:02:57 -0700, by Jeff Hammel
cleanup and note dependencies
Sun, 15 Mar 2015 20:58:15 -0700, by Jeff Hammel
note to self
Sun, 15 Mar 2015 20:44:59 -0700, by Jeff Hammel

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