Engineer's comma

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Interval information

Expression	[math]\displaystyle{ \pi/3 }[/math]
Size in cents	79.84035¢
Names	pi over 3, engineer's comma
Special properties	reduced
Comma size	medium

Pi over 3, or the engineer's comma, is a transcendental ratio of 79.84 cents.

Temperament

π/3 occurs in the Pitave system, which uses a an increase of frequency by a factor of π = 3.14... as an interval of equivalence. Tempering it out means that the pitave is equated to the tritave, 3/1.

Trivia

1 step of 15edo is a very close approximation of this interval.