Basic Just Intervals

In reference to your original chart, I've revised and filled in the "blanks"
with results from Mathematica. More accuracy is available .

12TET Just
Semitones Ratio Common Name Cents Value

7 3/2 Perfect Fifth 701.955
5 4/3 Perfect Fourth 498.045
8 8/5 Minor Sixth 813.686
4 5/4 Major Third 386.314
9 5/3 Major Sixth 884.359
3 6/5 Minor Third 315.641
10 16/9 Minor Seventh 996.09
2 9/8 Major Second 203.91
11 15/8 Major Seventh 1088.27
1 16/15 Minor Second 111.731
6 45/32 Tritone 590.224

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Benjamin Tubb
brtubb@cybertron.com