Please check the Music_intervals_frequency_ratio_equal_tempered_pythagorean_comparison file 

Can some folks in the know please check the graph http://commons.wikimedia.org/wiki/File:Music_intervals_frequency_ratio_equal_tempered_pythagorean_comparison.svg embedded in the present article Cent_%28music%29#Use for accuracy?  It seems to me as that it does not agree with the table at  with Pythagorean_tuning#Method.