<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Tue, 21 Apr 2026 10:38:15 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/factorials/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Factorials - sorting n distinct objects = n! proof]]></title><description><![CDATA[In this video I show a simple proof that you can sort n distinct objects in n! ways. This is very useful and important to understand especially if you are interested in statistics or even poker. Watch]]></description><link>http://direct.ecency.com/hive-128780/@mes/factorials-sorting-n-distinct-objects-proof</link><guid isPermaLink="true">http://direct.ecency.com/hive-128780/@mes/factorials-sorting-n-distinct-objects-proof</guid><category><![CDATA[hive-128780]]></category><dc:creator><![CDATA[mes]]></dc:creator><pubDate>Tue, 14 Feb 2023 18:42:06 GMT</pubDate><enclosure url="https://images.ecency.com/p/S5Eokt4BcQdk7EHeT1aYjzebg2hC7hkthT45eKutHUuWJ9VEDCPTfHfBbyY7TsGU1tYYQzS?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Intro to Factorials i.e. 4! = 4·3·2·1 = 24]]></title><description><![CDATA[In this video I introduce the concept of factorials and do various examples on multiplying and dividing them out. I also show a quick proof showing that 4 distinct objects can be sorted in 4! = 4·3·2·1]]></description><link>http://direct.ecency.com/hive-128780/@mes/intro-to-factorials</link><guid isPermaLink="true">http://direct.ecency.com/hive-128780/@mes/intro-to-factorials</guid><category><![CDATA[hive-128780]]></category><dc:creator><![CDATA[mes]]></dc:creator><pubDate>Thu, 09 Feb 2023 19:00:51 GMT</pubDate><enclosure url="https://images.ecency.com/p/S5Eokt4BcQdk7EHeT1aYjzebg2hC7hkthT45e9WQ4roAFTityz8HLLRCXMDMJLjojfS6MP4?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Number Of Key Arrangements On Circular Keychain]]></title><description><![CDATA[Hi there. In this math post, I take a look on the number of key arrangements (permutations) on a circular keychain. I came across this type of problem from my work. It did not look familiar to me as it]]></description><link>http://direct.ecency.com/hive-163521/@dkmathstats/number-of-key-arrangements-on-circular-keychain</link><guid isPermaLink="true">http://direct.ecency.com/hive-163521/@dkmathstats/number-of-key-arrangements-on-circular-keychain</guid><category><![CDATA[hive-163521]]></category><dc:creator><![CDATA[dkmathstats]]></dc:creator><pubDate>Mon, 04 Apr 2022 15:24:21 GMT</pubDate><enclosure url="https://images.ecency.com/p/MG5aEqKFcQi5xsGsUDYUN1LNu9Qi8onYittfhSMCpK247Cb8urbXb1ZiZiF6H9VAic9LRd6BKnRmR4P9485ZRdSKXiGHxvVsk?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>