Ed7/5

The equal division of 7/5 (ed7/5) is a tuning obtained by dividing the small septimal tritone (7/5) in a certain number of equal steps.

ED7/5 tuning systems that accurately represent the intervals 7/6 and 6/5 include: 11ed7/5 (2.09 cent error), 13ed7/5 (1.98 cent error), and 24ed7/5 (0.11 cent error).

11ed7/5, 13ed7/5, and 24ed7/5 are to the division of 7/5 what:

• 9ed3/2, 11ed3/2, and 20ed3/2 are to the division of 3/2
• what 7ed5/3, 9ed5/3, and 16ed5/3 are to the division of 5/3
• and what 5edo, 7edo, and 12edo are to the division of 2/1.

Todo: improve readability, improve synopsis, review