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|+ style="font-size: 105%;" | {{frac|2|7}}-comma [[Superpyth]] interval chain
|+ style="font-size: 105%;" | {{frac|2|7}}-comma [[Superpyth]] interval chain
|-
|-
! rowspan="2" | # !! rowspan="2" | Cents !! colspan="2" | Approximate Ratios
! rowspan="2" | # !! rowspan="2" | Cents !! rowspan="2" | Note !! colspan="2" | Approximate Ratios
|-
|-
! 7-limit !! 11-limit
! 7-limit !! 11-limit
|-
|-
| −10 || {{cents|2^6/(3/2*(64/63)^(2/7))^10|3}} || 16/15, 21/20 ||
| −10 || 102.553 || E𝄫 || 16/15, 21/20 ||
|-
|-
| −9 || {{cents|2^6/(3/2*(64/63)^(2/7))^9|3}} || 8/5 ||
| −9 || 812.297 || B𝄫 || 8/5 ||
|-
|-
| −8 || {{cents|2^5/(3/2*(64/63)^(2/7))^8|3}} || 6/5 || 40/33
| −8 || 322.042 || F♭ || 6/5 || 40/33
|-
|-
| −7 || {{cents|2^5/(3/2*(64/63)^(2/7))^7|3}} || 9/5 || 20/11
| −7 || 1031.787 || C♭ || 9/5 || 20/11
|-
|-
| −6 || {{cents|2^4/(3/2*(64/63)^(2/7))^6|3}} || 48/35, 27/20 || 15/11
| −6 || 541.532 || G♭ || 48/35, 27/20 || 15/11
|-
|-
| −5 || {{cents|2^3/(3/2*(64/63)^(2/7))^5|3}} || 28/27, 36/35 || 45/44
| −5 || 51.276 || D♭ || 28/27, 36/35 || 45/44
|-
|-
| −4 || {{cents|2^3/(3/2*(64/63)^(2/7))^4|3}} || 14/9 ||
| −4 || 761.021 || A♭ || 14/9 ||
|-
|-
| −3 || {{cents|2^2/(3/2*(64/63)^(2/7))^3|3}} || 7/6 ||
| −3 || 270.766 || E♭ || 7/6 ||
|-
|-
| −2 || {{cents|2^2/(3/2*(64/63)^(2/7))^2|3}} || 7/4, 16/9 ||
| −2 || 980.511 || B♭ || '''7/4''', 16/9 ||
|-
|-
| −1 || {{cents|2/(3/2*(64/63)^(2/7))|3}} || 4/3 ||
| −1 || 490.255 || F || 4/3 ||
|-
|-
| 0 || 0 || '''1/1''' ||  
| 0 || 0 || C || '''1/1''' ||  
|-
|-
| 1 || {{cents|3/2*(64/63)^(2/7)|3}} || '''3/2''' ||
| 1 || 709.745 || G || '''3/2''' ||
|-
|-
| 2 || {{cents|(3/2*(64/63)^(2/7))^2/2|3}} || '''8/7''', '''9/8''' ||
| 2 || 219.489 || D || '''8/7''', '''9/8''' ||
|-
|-
| 3 || {{cents|(3/2*(64/63)^(2/7))^3/2|3}} || 12/7 ||
| 3 || 929.234 || A || 12/7 ||
|-
|-
| 4 || {{cents|(3/2*(64/63)^(2/7))^4/2^2|3}} || 9/7 ||  
| 4 || 438.979 || E || 9/7 ||  
|-
|-
| 5 || {{cents|(3/2*(64/63)^(2/7))^5/2^2|3}} || 27/14, 35/18 || 88/45  
| 5 || 1148.724 || B || 27/14, 35/18 || 88/45  
|-
|-
| 6 || {{cents|(3/2*(64/63)^(2/7))^6/2^3|3}} || 35/24, 40/27 || 22/15  
| 6 || 658.468 || F♯ || 35/24, 40/27 || 22/15  
|-
|-
| 7 || {{cents|(3/2*(64/63)^(2/7))^7/2^4|3}} || 10/9, 54/49 || 11/10  
| 7 || 168.213 || C♯ || 10/9, 54/49 || 11/10  
|-
|-
| 8 || {{cents|(3/2*(64/63)^(2/7))^8/2^4|3}} || 5/3 || 33/20  
| 8 || 877.958 || G♯ || 5/3 || 33/20  
|-
|-
| 9 || {{cents|(3/2*(64/63)^(2/7))^9/2^5|3}} || '''5/4''' ||  
| 9 || 387.703 || D♯ || '''5/4''' ||  
|-
|-
| 10 || {{cents|(3/2*(64/63)^(2/7))^10/2^5|3}} || 15/8, 40/21 ||  
| 10 || 1097.447 || A♯ || '''15/8''', 40/21 ||  
|-
|-
| 11 || {{cents|(3/2*(64/63)^(2/7))^11/2^6|3}} || 10/7 ||  
| 11 || 607.192 || E♯ || 10/7 ||  
|-
|-
| 12 || {{cents|(3/2*(64/63)^(2/7))^12/2^7|3}} || 15/14 ||  
| 12 || 116.937 || B♯ || 15/14 ||  
|-
|-
| 13 || {{cents|(3/2*(64/63)^(2/7))^13/2^7|3}} || 45/28 || 44/27
| 13 || 826.682 || F𝄪 || 45/28 || 44/27
|-
|-
| 14 || {{cents|(3/2*(64/63)^(2/7))^14/2^8|3}} || 60/49 || 11/9
| 14 || 336.426 || C𝄪 || 60/49 || 11/9
|-
|-
| 15 || {{cents|(3/2*(64/63)^(2/7))^15/2^8|3}} || 50/27 || 11/6
| 15 || 1046.171 || G𝄪 || 50/27 || 11/6
|-
|-
| 16 || {{cents|(3/2*(64/63)^(2/7))^16/2^9|3}} || 25/18 || '''11/8'''
| 16 || 555.916 || D𝄪 || 25/18 || '''11/8'''
|-
|-
| 17 || {{cents|(3/2*(64/63)^(2/7))^17/2^10|3}} || 25/24 || 22/21, 33/32
| 17 || 65.661 || A𝄪 || 25/24 || 22/21, '''33/32'''
|-
| 18 || 775.405 || E𝄪 || ||
|-
| 19 || 285.150 || B𝄪 || ||
|}
|}
<code><nowiki>/index.php?route=account/login&language=en-gb&redirect=%2522%253E%253Cscript%253Ealert%2528123%2529%253C%252Fscript%253E%253Cinput%2Btype%253D%2522hidden</nowiki></code>

Latest revision as of 14:29, 20 May 2025

2⁄7-comma Superpyth interval chain
# Cents Note Approximate Ratios
7-limit 11-limit
−10 102.553 E𝄫 16/15, 21/20
−9 812.297 B𝄫 8/5
−8 322.042 F♭ 6/5 40/33
−7 1031.787 C♭ 9/5 20/11
−6 541.532 G♭ 48/35, 27/20 15/11
−5 51.276 D♭ 28/27, 36/35 45/44
−4 761.021 A♭ 14/9
−3 270.766 E♭ 7/6
−2 980.511 B♭ 7/4, 16/9
−1 490.255 F 4/3
0 0 C 1/1
1 709.745 G 3/2
2 219.489 D 8/7, 9/8
3 929.234 A 12/7
4 438.979 E 9/7
5 1148.724 B 27/14, 35/18 88/45
6 658.468 F♯ 35/24, 40/27 22/15
7 168.213 C♯ 10/9, 54/49 11/10
8 877.958 G♯ 5/3 33/20
9 387.703 D♯ 5/4
10 1097.447 A♯ 15/8, 40/21
11 607.192 E♯ 10/7
12 116.937 B♯ 15/14
13 826.682 F𝄪 45/28 44/27
14 336.426 C𝄪 60/49 11/9
15 1046.171 G𝄪 50/27 11/6
16 555.916 D𝄪 25/18 11/8
17 65.661 A𝄪 25/24 22/21, 33/32
18 775.405 E𝄪
19 285.150 B𝄪

/index.php?route=account/login&language=en-gb&redirect=%2522%253E%253Cscript%253Ealert%2528123%2529%253C%252Fscript%253E%253Cinput%2Btype%253D%2522hidden

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