<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
	<id>https://en.xen.wiki/index.php?action=history&amp;feed=atom&amp;title=User%3AFrancium%2F1987edo</id>
	<title>User:Francium/1987edo - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://en.xen.wiki/index.php?action=history&amp;feed=atom&amp;title=User%3AFrancium%2F1987edo"/>
	<link rel="alternate" type="text/html" href="https://en.xen.wiki/index.php?title=User:Francium/1987edo&amp;action=history"/>
	<updated>2026-06-28T07:00:09Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.6</generator>
	<entry>
		<id>https://en.xen.wiki/index.php?title=User:Francium/1987edo&amp;diff=223221&amp;oldid=prev</id>
		<title>Francium: +music</title>
		<link rel="alternate" type="text/html" href="https://en.xen.wiki/index.php?title=User:Francium/1987edo&amp;diff=223221&amp;oldid=prev"/>
		<updated>2026-02-04T12:24:18Z</updated>

		<summary type="html">&lt;p&gt;+music&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:24, 4 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l47&quot;&gt;Line 47:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 47:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;nowiki&amp;gt;*&amp;lt;/nowiki&amp;gt; [[Normal lists|octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if it is distinct&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;nowiki&amp;gt;*&amp;lt;/nowiki&amp;gt; [[Normal lists|octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if it is distinct&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Music ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;; [[Francium]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* &quot;Applum&quot; from &#039;&#039;Bumbos&#039;&#039; (2026) – [https://open.spotify.com/track/0O69x6OIFD5OFM0EJx2KO8 Spotify] | [https://francium223.bandcamp.com/track/applum Bandcamp] | [https://www.youtube.com/watch?v=wSNC4au8KOI YouTube] – in Pluto, 1987edo tuning&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Francium</name></author>
	</entry>
	<entry>
		<id>https://en.xen.wiki/index.php?title=User:Francium/1987edo&amp;diff=219682&amp;oldid=prev</id>
		<title>Francium: Created page with &quot;{{Infobox ET}} {{ED intro}}  == Theory == 1987edo is only consistent to the 3-limit, having a quite large error in all of its lower harmonics. Its harmonic 15 is an exception with a relative error of 0.8 percent.  === Odd harmonics === {{Harmonics in equal|1987}}  === Subsets and supersets === 1987edo is the 300th prime edo. 5961edo, which triples it, gives a good correction to its harmonic 5.  == Regular temperament properties == {|...&quot;</title>
		<link rel="alternate" type="text/html" href="https://en.xen.wiki/index.php?title=User:Francium/1987edo&amp;diff=219682&amp;oldid=prev"/>
		<updated>2025-12-24T16:42:37Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{Infobox ET}} {{ED intro}}  == Theory == 1987edo is only &lt;a href=&quot;/w/Consistent&quot; class=&quot;mw-redirect&quot; title=&quot;Consistent&quot;&gt;consistent&lt;/a&gt; to the &lt;a href=&quot;/w/3-limit&quot; title=&quot;3-limit&quot;&gt;3-limit&lt;/a&gt;, having a quite large error in all of its lower &lt;a href=&quot;/w/Harmonic&quot; title=&quot;Harmonic&quot;&gt;harmonics&lt;/a&gt;. Its harmonic &lt;a href=&quot;/w/15/1&quot; title=&quot;15/1&quot;&gt;15&lt;/a&gt; is an exception with a relative error of 0.8 percent.  === Odd harmonics === {{Harmonics in equal|1987}}  === Subsets and supersets === 1987edo is the 300th &lt;a href=&quot;/w/Prime_edo&quot; class=&quot;mw-redirect&quot; title=&quot;Prime edo&quot;&gt;prime edo&lt;/a&gt;. &lt;a href=&quot;/index.php?title=5961edo&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;5961edo (page does not exist)&quot;&gt;5961edo&lt;/a&gt;, which triples it, gives a good correction to its harmonic &lt;a href=&quot;/w/5/1&quot; title=&quot;5/1&quot;&gt;5&lt;/a&gt;.  == Regular temperament properties == {|...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox ET}}&lt;br /&gt;
{{ED intro}}&lt;br /&gt;
&lt;br /&gt;
== Theory ==&lt;br /&gt;
1987edo is only [[consistent]] to the [[3-limit]], having a quite large error in all of its lower [[harmonic]]s. Its harmonic [[15/1|15]] is an exception with a relative error of 0.8 percent.&lt;br /&gt;
&lt;br /&gt;
=== Odd harmonics ===&lt;br /&gt;
{{Harmonics in equal|1987}}&lt;br /&gt;
&lt;br /&gt;
=== Subsets and supersets ===&lt;br /&gt;
1987edo is the 300th [[prime edo]]. [[5961edo]], which triples it, gives a good correction to its harmonic [[5/1|5]].&lt;br /&gt;
&lt;br /&gt;
== Regular temperament properties ==&lt;br /&gt;
{| class=&amp;quot;wikitable center-4 center-5 center-6&amp;quot;&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot; |[[Subgroup]]&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot; |[[Comma list|Comma List]]&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot; |[[Mapping]]&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot; |Optimal&amp;lt;br&amp;gt;8ve Stretch (¢)&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot; |Tuning Error&lt;br /&gt;
|-	&lt;br /&gt;
![[TE error|Absolute]] (¢)&lt;br /&gt;
![[TE simple badness|Relative]] (%)&lt;br /&gt;
|-&lt;br /&gt;
| 2.3&lt;br /&gt;
| {{monzo|-3149 1987}}&lt;br /&gt;
| {{mapping|1987 3149}}&lt;br /&gt;
| 0.0611&lt;br /&gt;
| 0.0611&lt;br /&gt;
| 10.12&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== Rank-2 temperaments ===&lt;br /&gt;
{| class=&amp;quot;wikitable center-all left-5&amp;quot;&lt;br /&gt;
|+Table of rank-2 temperaments by generator&lt;br /&gt;
! Periods&amp;lt;br&amp;gt;per 8ve&lt;br /&gt;
! Generator*&lt;br /&gt;
! Cents*&lt;br /&gt;
! Associated&amp;lt;br&amp;gt;Ratio*&lt;br /&gt;
! Temperaments&lt;br /&gt;
|-&lt;br /&gt;
| 1&lt;br /&gt;
| 522\1987&lt;br /&gt;
| 315.249&lt;br /&gt;
| 6/5&lt;br /&gt;
| [[Parakleismic]]&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;nowiki&amp;gt;*&amp;lt;/nowiki&amp;gt; [[Normal lists|octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if it is distinct&lt;/div&gt;</summary>
		<author><name>Francium</name></author>
	</entry>
</feed>