Acoustic pi: Difference between revisions

BudjarnLambeth (talk | contribs)
Niche -> mathematical interest (feel free to revert if you disagree)
Sintel (talk | contribs)
math -> novelty
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{{Mathematical interest}}
{{Novelty}}
{{Infobox Interval
{{Infobox Interval
| Ratio = \pi
| Ratio = \pi