Alternative symbols for ups and downs notation: Difference between revisions

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 === Zero ===
-Perfect edos (sharp-0 edos) are even more special in that the traditional accidentals cannot raise or lower the pitch, so the notes can only be modified by arrows. Edos of this category include {{EDOs| 7, 14, 21, 28, and 35 }}.
+On the other hand, the lower five multiples of 7 ({{EDOs| 7, 14, 21, 28, and 35}}) are known as "perfect" or sharp-0 edos, due to the fact that, by tempering out [[2187/2048]], the Pythagorean apotome, the traditional sharps and flats have no effect on the pitch, so the notes can only be modified by arrows.
 {{Sharpness-0}}