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	<id>https://wiki.nars2000.org/index.php?action=history&amp;feed=atom&amp;title=NaN</id>
	<title>NaN - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.nars2000.org/index.php?action=history&amp;feed=atom&amp;title=NaN"/>
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	<updated>2026-05-08T08:32:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.nars2000.org/index.php?title=NaN&amp;diff=3799&amp;oldid=prev</id>
		<title>WikiSysop: Created page with &quot;&lt;p&gt;Not-a-Number (NaN) is now available to be used as for an unknown or indeterminate value.  The NaN symbol (&lt;apll&gt;∅&lt;/apll&gt;) is entered from the keyboard using the key combi...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.nars2000.org/index.php?title=NaN&amp;diff=3799&amp;oldid=prev"/>
		<updated>2022-09-09T21:38:19Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;lt;p&amp;gt;Not-a-Number (NaN) is now available to be used as for an unknown or indeterminate value.  The NaN symbol (&amp;lt;apll&amp;gt;∅&amp;lt;/apll&amp;gt;) is entered from the keyboard using the key combi...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;p&amp;gt;Not-a-Number (NaN) is now available to be used as for an unknown or indeterminate value.  The NaN symbol (&amp;lt;apll&amp;gt;∅&amp;lt;/apll&amp;gt;) is entered from the keyboard using the key combination &amp;#039;&amp;#039;&amp;#039;Alt-5&amp;#039;&amp;#039;&amp;#039;.  The value is unsigned.  &lt;br /&gt;
&amp;lt;apll&amp;gt;∅&amp;lt;/apll&amp;gt; is a fixed-precision Floating Point NaN.  &amp;lt;apll&amp;gt;∅r1&amp;lt;/apll&amp;gt; and &amp;lt;apll&amp;gt;∅x&amp;lt;/apll&amp;gt; are both multi-precision Rational NaNs.  &amp;lt;apll&amp;gt;∅v&amp;lt;/apll&amp;gt; is a multi-precision Floating Point NaN.&amp;lt;/p&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;Arithmetic on NaN returns NaN unchanged.  The only operation on a NaN which returns other than NaN is equality and inequality.&amp;lt;/p&amp;gt;  &lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;For example,&amp;lt;/p&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;apll&amp;gt;&amp;lt;pre&amp;gt;&lt;br /&gt;
      ∅=0&lt;br /&gt;
0&lt;br /&gt;
      ∅≡0&lt;br /&gt;
0&lt;br /&gt;
      ∅=∅ 0 ∅&lt;br /&gt;
1 0 1&lt;br /&gt;
      ∅≡∅&lt;br /&gt;
1&lt;br /&gt;
&amp;lt;/pre&amp;gt;&amp;lt;/apll&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{Language Toolbar}}&lt;br /&gt;
[[Category:Mouse Group 12]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
	</entry>
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