90edo: Difference between revisions

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{{Infobox ET}}
{{Infobox ET}}
The 90 equal temperament divides the octave into 90 equal parts of 13.333 cents each. It tempers out 2048/2025 in the 5-limit, 3125/3087 and 245/243 in the 7-limit, 121/120 and 176/175 in the 11-limit, and 275/273 and 169/168 in the 13-limit. It provides the optimal patent val for the 31&90 temperament in the 7-, 11- and 13-limits.  Notably, it is the second lowest in a series of four consecutive EDOs to temper out [[Quartisma|117440512/117406179]].
{{EDO intro}} It tempers out 2048/2025 in the 5-limit, 3125/3087 and 245/243 in the 7-limit, 121/120 and 176/175 in the 11-limit, and 275/273 and 169/168 in the 13-limit. It provides the optimal patent val for the 31&90 temperament in the 7-, 11- and 13-limits.  Notably, it is the second lowest in a series of four consecutive EDOs to temper out [[Quartisma|117440512/117406179]].
{{Harmonics in equal|90}}
{{Harmonics in equal|90}}
== Interval table ==
{{Interval table}}


[[Category:Equal divisions of the octave|##]] <!-- 2-digit number -->
[[Category:Equal divisions of the octave|##]] <!-- 2-digit number -->
[[Category:Quartismic]]
[[Category:Quartismic]]