A Piece of the Pi: mathematics explained
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Audio Note: Companion to “The geometry of musical keys”
The relationships between musical keys can be described either by means of the triangles in the “Tonnetz”, or by carefully designed geometric…
May 23
•
Richard Green
1:11
Bonus content: The graphic nature of groups
In the main post, I mentioned that the set {0, 1, 2, 3, 4, 5} under the operation of addition modulo 6 is a group.
Jul 12, 2023
•
Richard Green
1
Bonus content: The best denominations for coins
To an outsider, an annoying feature of the US dime coin is that it is impossible to tell just by looking at it that it is worth 10 cents.
Jul 7, 2023
•
Richard Green
3
2
Bonus content: The symmetry of musical key changes
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Jul 1, 2023
•
Richard Green
2
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