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Intervals

P1
1:1.00
m2
1:1.06
m3
1:1.19
P4
1:1.33
d5
1:1.41
m6
1:1.58
m7
1:1.78

Roman Numerals

Numeral	i^ø	II^Δ	iii^-	iv^-	V^Δ	VI^⁷	vii^-
Degree	1	2	3	4	5	6	7
Name	Half-Dim 7	Maj 7	Min 7	Min 7	Maj 7	Dom 7	Min 7

Diatonic Modes

Child Chords

Name	Intervals
Diminished Triad	P1			m3			d5
Half-Diminished 7th	P1			m3			d5				m7

Child Scales

Name	Intervals
Man Gong	P1			m3		P4			m6		m7