640edo: Difference between revisions

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	~~{{novelty}}{{stub}}~~{{Infobox ET}}		{{Infobox ET}}
	The '''640 equal divisions''' divides the octave into 640 equal parts of precisely 1.875 cents each. It is [[contorted]] in the 5-limit, tempering out the vishnuzma, \|23 6 -14>, with the same tuning as 320edo. In the 7-limit it tempers out 19683/19600 and \| 16 2 -1 -6 > and in the 11-limit it tempers out 540/539, 8019/8000 and \| 14 -1 -2 -4 1 >. It provides the [[Optimal_patent_val\|optimal patent val]] for the rank three [[Cataharry_family\|albus temperament]] tempering out 540/539 and 8019/8000, and the 125&130 temperament.		The '''640 equal divisions''' divides the octave into 640 equal parts of precisely 1.875 cents each. It is [[contorted]] in the 5-limit, tempering out the vishnuzma, \|23 6 -14>, with the same tuning as 320edo. In the 7-limit it tempers out 19683/19600 and \| 16 2 -1 -6 > and in the 11-limit it tempers out 540/539, 8019/8000 and \| 14 -1 -2 -4 1 >. It provides the [[Optimal_patent_val\|optimal patent val]] for the rank three [[Cataharry_family\|albus temperament]] tempering out 540/539 and 8019/8000, and the 125&130 temperament.