E-shaped comma: Difference between revisions

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-The '''E-shaped comma''' is a [[17-limit]] [[unnoticeable comma]] of measuring 0.055 [[cent]]s, with frequency ratio 31213/31212. It is the amount by which a stack consisting of three [[7/6]]s, one [[26/17]] and one [[28/17]] exceeds two [[octave]]s. By tempering it out is defined the '''E-shaped temperament''', which enables the [[E-shaped chords]].
+The '''E-shaped comma''' is a [[17-limit]] [[unnoticeable comma]] of measuring 0.055 [[cent]]s, with frequency ratio of 31213/31212. It is the amount by which a stack consisting of three [[7/6]]s, one [[26/17]] and one [[28/17]] exceeds two [[octave]]s. By tempering it out is defined the '''E-shaped temperament'''.
+== Commatic relations ==
+In terms of commas, it is the difference between the following superparticular pairs:
+* [[1225/1224]] and [[1275/1274]]
+* [[2401/2400]] and [[2601/2600]]
+* [[4914/4913]] and [[5832/5831]]
+* [[Neuseisma|28561/28560]] and [[336141/336140]]
+It factors into the following superparticular pair:
+* [[37180/37179]] and [[Scintillisma|194481/194480]]
 == Etymology ==