<?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>Mon, 18 May 2026 20:31:04 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/arithmetic/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[[Literature] Charles Dickens:  Hard Times #2/147]]></title><description><![CDATA[font-size: medium; margin-top: -1.2em; margin-bottom: 3.5em; margin-left: .4em; } .noindent { font-size: medium; margin-top: 1.4em; margin-bottom: .1em; margin-left: .4em; } font-size: x-large; margin-top:]]></description><link>http://direct.ecency.com/arithmetic/@vivids/literature-charles-dickens-hard-times-2-147</link><guid isPermaLink="true">http://direct.ecency.com/arithmetic/@vivids/literature-charles-dickens-hard-times-2-147</guid><category><![CDATA[arithmetic]]></category><dc:creator><![CDATA[vivids]]></dc:creator><pubDate>Tue, 16 Dec 2025 15:47:36 GMT</pubDate></item><item><title><![CDATA[The Number 0 and 10 in General Number Systems]]></title><description><![CDATA[In this video I go over a quick overview of number systems, and show how the base or radix (Latin for "root") serves as the transition point when counting past the single digits. For example,]]></description><link>http://direct.ecency.com/hive-128780/@mes/tpvefroy</link><guid isPermaLink="true">http://direct.ecency.com/hive-128780/@mes/tpvefroy</guid><category><![CDATA[hive-128780]]></category><dc:creator><![CDATA[mes]]></dc:creator><pubDate>Mon, 03 Nov 2025 23:20:06 GMT</pubDate><enclosure url="https://i.ecency.com/p/99pyU5Ga1kwr5bsMXthzYLbcngN4W2P8NtU9TWTdHC3HaQbjuuRfHesJoVvQMRxJBVsJmHCuz3BMPZLuEChRtGLHdY7Q5JhhH4tGj6c8aANKxgm7uZzW85xqtiQk6eFhfL?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Percentages Shortcuts]]></title><description><![CDATA[An easy way to get some percentages that at least one of them end in "0" is to multiply a couple of numbers. For example: 20% of 50=? Simply multiply 2x5 and the answer is 10. 70% of 90=63, 80%]]></description><link>http://direct.ecency.com/hiveph/@ninong7/percentages-shortcuts</link><guid isPermaLink="true">http://direct.ecency.com/hiveph/@ninong7/percentages-shortcuts</guid><category><![CDATA[hiveph]]></category><dc:creator><![CDATA[ninong7]]></dc:creator><pubDate>Sun, 14 Jan 2024 01:00:00 GMT</pubDate><enclosure url="https://i.ecency.com/p/W5LtFUPm6g7293LJ3Vg8LGMxSXJbQHxtovyJAqw2j9RsivpZ42YcyswweiXHgGewC56uKJLBVyq9rSpzLHpzeCZ83TCMu5PhvNPV3QvyUin8rKAaUfoctKJbNiPBRVm8YDMoTe2BQVKZm8J6rDgCJMMar1TPL?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Math Tricks with Double Digits]]></title><description><![CDATA[The purpose of these shortcuts is to try to get people to figure out math problems without the use of a calculator. I saw this math shortcut trick on the internet, but they did not take it far enough.]]></description><link>http://direct.ecency.com/hiveph/@ninong7/math-tricks-with-double-digits</link><guid isPermaLink="true">http://direct.ecency.com/hiveph/@ninong7/math-tricks-with-double-digits</guid><category><![CDATA[hiveph]]></category><dc:creator><![CDATA[ninong7]]></dc:creator><pubDate>Fri, 12 Jan 2024 01:01:03 GMT</pubDate><enclosure url="https://i.ecency.com/p/W5LtFUPm6g7293LJ3Vg8LGMxSXJbQHxtovyJAqw2j9RsivpZ42YcyswweiXHgGewC56uKJLBVyq9rSpzLHpzeCZ83TCMu5PhvNPV3QvyUin8rKAaUfoctKJbNiPBRVm8YDMoTe2BQVKZm8J6rDgCJMMar1TPL?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Multiplication & Division As Foundational Math Topics]]></title><description><![CDATA[Hi there. I talk about multiplication and division as foundation topics for young students. I think I might have done this topic before. If I did sorry. When I write my posts it is mostly from scratch.]]></description><link>http://direct.ecency.com/hive-122108/@dkmathstats/multiplication-and-division-as-foundational-math-topics</link><guid isPermaLink="true">http://direct.ecency.com/hive-122108/@dkmathstats/multiplication-and-division-as-foundational-math-topics</guid><category><![CDATA[hive-122108]]></category><dc:creator><![CDATA[dkmathstats]]></dc:creator><pubDate>Mon, 25 Dec 2023 04:53:36 GMT</pubDate><enclosure url="https://i.ecency.com/p/MG5aEqKFcQi5xsGsUDYUN1LNu9Qi8onYittfhSMCpK247Cb8urbXbteY1PCT2aeDSQDfADtwBG9Qnro6e7mq5133CjhrH31sc?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Arithmetic abacus is a traditional method used to teach fast calculation skills ...]]></title><description><![CDATA[... in arithmetic. This method involves the use of tools to perform mathematical operations efficiently. #education #arithmetic #method]]></description><link>http://direct.ecency.com/hive-193084/@najitaq/tkbmd5isoqh4t234wy7r7j</link><guid isPermaLink="true">http://direct.ecency.com/hive-193084/@najitaq/tkbmd5isoqh4t234wy7r7j</guid><category><![CDATA[hive-193084]]></category><dc:creator><![CDATA[najitaq]]></dc:creator><pubDate>Sat, 09 Dec 2023 00:09:51 GMT</pubDate><enclosure url="https://i.ecency.com/p/S5Eokt4BcQdk7EC459KiubMRtR7KJbA1bs4JSU8FBEazoA5aqp5a45q9tQBXza9rHmU98GN?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[In 100 Words - Easy Percentage 1]]></title><description><![CDATA[Finding some percentages is fairly easy. Both double digits and end with "0". 20% of 50=? Simply multiply 2x5, answer is 10. 70% of 90=63 80% of 50=40 Single digit percentages and number ends]]></description><link>http://direct.ecency.com/teamph/@ninong7/in-100-words-easy-percentage-1</link><guid isPermaLink="true">http://direct.ecency.com/teamph/@ninong7/in-100-words-easy-percentage-1</guid><category><![CDATA[teamph]]></category><dc:creator><![CDATA[ninong7]]></dc:creator><pubDate>Sat, 24 Jun 2023 01:00:00 GMT</pubDate><enclosure url="https://i.ecency.com/p/26uUsAjKTsXCDw7zixZR182JbFKvgzJ9YwsFpTVcRaGCmsqhA1unTgpqzcpjnUwwepuYzcw41xgttN6vqHhMshjuJreMm2nKjEEewLVkMZKf1W5nVaqJACPpXx8DMPgTyA75cu5tvqnHqNzHfcvhzKgfJ7YtwicQvGqqkS?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[> "Persecution is used in #theology, not in #arithmetic, because in ar ...]]></title><description><![CDATA["Persecution is used in #theology, not in #arithmetic, because in arithmetic there is knowledge, but in #theology there is only #opinion ." ― Bertrand Russell, Unpopular Essays (1950), Ch. VII:]]></description><link>http://direct.ecency.com/hive-193084/@migka/f9rnx6afi0a6t0y02xjj5c</link><guid isPermaLink="true">http://direct.ecency.com/hive-193084/@migka/f9rnx6afi0a6t0y02xjj5c</guid><category><![CDATA[hive-193084]]></category><dc:creator><![CDATA[migka]]></dc:creator><pubDate>Thu, 19 May 2022 22:14:39 GMT</pubDate></item><item><title><![CDATA[The Ethereum scaling and side chain narrative has changed significantly and it’s revolutionary.]]></title><description><![CDATA[The Ethereum Narrative. The Etherrum community has moved away from the idea that Proof of Stake and various brilliant ideas like sharding and the parallel processing of smaller segments of blocks based]]></description><link>http://direct.ecency.com/hive-167922/@shortsegments/the-ethereum-scaling-and-side-chain-narrative-has-changed-significantly-and-it-s-revolutionary</link><guid isPermaLink="true">http://direct.ecency.com/hive-167922/@shortsegments/the-ethereum-scaling-and-side-chain-narrative-has-changed-significantly-and-it-s-revolutionary</guid><category><![CDATA[hive-167922]]></category><dc:creator><![CDATA[shortsegments]]></dc:creator><pubDate>Mon, 17 Jan 2022 08:15:36 GMT</pubDate><enclosure url="https://i.ecency.com/p/2bP4pJr4wVimqCWjYimXJe2cnCgnHpzyiee2Qgp32e2?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Amazing Math Calculation Method: Multiplying 1's Proof]]></title><description><![CDATA[In my last video I showed how to multiply numbers containing only 1's together very quickly using an amazingly easy method. In this video I go over a proof, or more like a brief explanation, showing why]]></description><link>http://direct.ecency.com/hive-128780/@mes/amazing-math-calculation-method-multiplying-1-s-proof</link><guid isPermaLink="true">http://direct.ecency.com/hive-128780/@mes/amazing-math-calculation-method-multiplying-1-s-proof</guid><category><![CDATA[hive-128780]]></category><dc:creator><![CDATA[mes]]></dc:creator><pubDate>Tue, 04 Aug 2020 02:51:21 GMT</pubDate><enclosure url="https://i.ecency.com/p/JvFFVmatwWHSNcw6hFFNhr5hSaZt6EpxDTc4e4UnYmXLJ6W9jQhfqH2tSxoRuH5aC7WHtDdw5Bgmd5u3C2sgmmvK7PqVhrEHJGnwqheVmCwThfNkhMKYykiU4XpKzCK5HKFFVmfVp2?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[🔥#MESScience 2: Vortex Math Part 1: Number Theory and Modular Arithmetic ]]></title><description><![CDATA[Watch on 3Speak - Odysee - BitChute - Rumble - YouTube - Notes - PDF notes - Excel file - Summary - Vortex Math playlist - MES Science playlist In #MESScience 2 I cover a relatively unknown concept called]]></description><link>http://direct.ecency.com/hive-128780/@mes/messcience-2-vortex-math-part-1-number-theory-and-modular-arithmetic</link><guid isPermaLink="true">http://direct.ecency.com/hive-128780/@mes/messcience-2-vortex-math-part-1-number-theory-and-modular-arithmetic</guid><category><![CDATA[hive-128780]]></category><dc:creator><![CDATA[mes]]></dc:creator><pubDate>Mon, 03 Aug 2020 21:38:24 GMT</pubDate><enclosure url="https://i.ecency.com/p/8SzwQc8j2KJZo6c43w4BYMq3Z45dLesHCsGJGEjt68cZymSv7udGU9RfDmW2BWtqwdMeSSakwc5sBhgyMqf8qBYjepFb9f4VLFoi8YpBsL4Tc1CWL4N?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Learn some cool stuff for homeschoolers]]></title><description><![CDATA[The quadrivium (plural: quadrivia) is the four subjects, or arts (namely arithmetic, geometry, music and astronomy), taught after teaching the trivium. Join this group to share what you have learned or]]></description><link>http://direct.ecency.com/homeschooling/@becky.rac/learn-some-cool-stuff-for-homeschoolers</link><guid isPermaLink="true">http://direct.ecency.com/homeschooling/@becky.rac/learn-some-cool-stuff-for-homeschoolers</guid><category><![CDATA[homeschooling]]></category><dc:creator><![CDATA[becky.rac]]></dc:creator><pubDate>Thu, 20 Feb 2020 00:53:36 GMT</pubDate><enclosure url="https://i.ecency.com/p/JvFFVmatwWHRfvmtd53nmEJ94xpKydwmbSC5H5svBACH7yFhaSG7wz2CENJe515HqYgSwdeHgVEdKXJ8S7XUruRH4A7rzGfmSBG6uJUjHQeMNqyreH8TsGKgXSkQewzEyhMBzN5b7t?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quick Math - Perfect for students to improve their math abilities]]></title><description><![CDATA[Quick Math Perfect for students to improve their math abilities Screenshots View ImageView ImageView ImageView ImageView Image Hunter's comment Quick Math This product is inordinate for mathematic review]]></description><link>http://direct.ecency.com/steemhunt/@aurie/quick-math-perfect-for-students-to-improve-their-math-abilities</link><guid isPermaLink="true">http://direct.ecency.com/steemhunt/@aurie/quick-math-perfect-for-students-to-improve-their-math-abilities</guid><category><![CDATA[steemhunt]]></category><dc:creator><![CDATA[aurie]]></dc:creator><pubDate>Sun, 13 Jan 2019 15:00:21 GMT</pubDate><enclosure url="https://i.ecency.com/p/3RTd4iuWD6NV3bCZCHqGiZBWfaBqWFWG2T6XEV6Uh3UzvD6cC3TLzyunut379CanjSJP1DYzGb4tPwa5bkddJiGWeqVuUWYkNcRpnXAfLvYFNQprADMkwG2eXDotm6b28i9VnSUKoPzqhGRz5hxtmzrmipdXpNS5LuHuUG3rCVufze?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Speedy times]]></title><description><![CDATA[This technique is based on the methods of mathemagician Arthur Benjamin ( see his book: The mathemagician's guide to lighting calculations and amazing math tricks). I included some special cases which]]></description><link>http://direct.ecency.com/mathematics/@mathowl/speedy-times</link><guid isPermaLink="true">http://direct.ecency.com/mathematics/@mathowl/speedy-times</guid><category><![CDATA[mathematics]]></category><dc:creator><![CDATA[mathowl]]></dc:creator><pubDate>Fri, 07 Dec 2018 21:10:18 GMT</pubDate><enclosure url="https://i.ecency.com/p/C3TZR1g81UNaPs7vzNXHueW5ZM76DSHWEY7onmfLxcK2iNqDnKjLNqMZSoecxRUVwrAoeKzHv549vuKsmmQMH97d4DCzjyEw83YpiLHnhG6y26CJbUu7AJz?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Git gud at arithmetic]]></title><description><![CDATA[I am still preparing for a number of job-tests. At the core of the application process there is usually a numerical test which needs to be performed at high speed. It mainly concerncs basic math so nothing]]></description><link>http://direct.ecency.com/mathematics/@mathowl/git-gud-at-arithmetic</link><guid isPermaLink="true">http://direct.ecency.com/mathematics/@mathowl/git-gud-at-arithmetic</guid><category><![CDATA[mathematics]]></category><dc:creator><![CDATA[mathowl]]></dc:creator><pubDate>Wed, 05 Dec 2018 20:06:33 GMT</pubDate><enclosure url="https://i.ecency.com/p/cyxkEVqiiLy2ofdgrJNxeZC3WCHPBwR7MjUDzY4kBNr81L8EEPcjNC5weeT1L7WXrmH4d5tMn2wLqiDcVPHNzQiS1NM1koJSpNEsmyVMkQSeV3tChdRcz4preHRgKDPZq8r?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Multiplying by eleven: as simple as adding]]></title><description><![CDATA[I was looking at some fun math tricks for high-speed calculations and I came accross a very nice one involving 11 from Mathemagician Arthur Benjamin Not very related video So multiplying 11 by any single]]></description><link>http://direct.ecency.com/steemstem/@mathowl/multiplying-by-eleven-as-simple-as-adding</link><guid isPermaLink="true">http://direct.ecency.com/steemstem/@mathowl/multiplying-by-eleven-as-simple-as-adding</guid><category><![CDATA[steemstem]]></category><dc:creator><![CDATA[mathowl]]></dc:creator><pubDate>Fri, 30 Nov 2018 23:56:30 GMT</pubDate><enclosure url="https://i.ecency.com/p/7ohP4GDMGPrUMp8dW6yuJTR9MKNu8P8DCXDU9qmmief8TVthqErfiKAM1G3rKAHwcxF8ycZSF1nbGr4GDXXXCZpAqUALhefmE7S2?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Error sit voluptatem accusantium doloremque laudantium, totam rem aperiam eaque ipsa.]]></title><description><![CDATA[Et aut rerum hic tenetur a sapiente delectus, ut labore. Vero eos et voluptates repudiandae sint. Neque porro quisquam est, qui ratione voluptatem sequi nesciunt, neque porro quisquam. Neque porro quisquam]]></description><link>http://direct.ecency.com/arithmetic/@velihovani/recollect8052</link><guid isPermaLink="true">http://direct.ecency.com/arithmetic/@velihovani/recollect8052</guid><category><![CDATA[arithmetic]]></category><dc:creator><![CDATA[velihovani]]></dc:creator><pubDate>Sat, 18 Aug 2018 01:47:48 GMT</pubDate></item><item><title><![CDATA[Veniam, quis nostrum exercitationem ullam corporis suscipit.]]></title><description><![CDATA[Fugiat, quo voluptas assumenda est. Illum, qui in ea commodi. Rem aperiam eaque ipsa, quae ab illo inventore veritatis et accusamus. Corrupti, quos dolores eos, qui blanditiis praesentium voluptatum deleniti]]></description><link>http://direct.ecency.com/arithmetic/@malozanlandanis/enormously69123</link><guid isPermaLink="true">http://direct.ecency.com/arithmetic/@malozanlandanis/enormously69123</guid><category><![CDATA[arithmetic]]></category><dc:creator><![CDATA[malozanlandanis]]></dc:creator><pubDate>Sun, 05 Aug 2018 18:42:12 GMT</pubDate></item><item><title><![CDATA[The Laplace of the Sine]]></title><description><![CDATA[It seems so simple, doesn't it? It is and it isn't. I had to through away my complex models of space/time to allow for discongruencies, but this part is right, I am fairly certain.]]></description><link>http://direct.ecency.com/arithmetic/@roosterred/the-laplace-of-the-sine</link><guid isPermaLink="true">http://direct.ecency.com/arithmetic/@roosterred/the-laplace-of-the-sine</guid><category><![CDATA[arithmetic]]></category><dc:creator><![CDATA[roosterred]]></dc:creator><pubDate>Wed, 18 Jul 2018 06:41:00 GMT</pubDate><enclosure url="https://i.ecency.com/p/HNWT6DgoBc14riaEeLCzGYopkqYBKxpGKqfNWfgr368M9V4g8Nt71ADrQgsNknhjLpjthcaoFtT3tzzjv2K17dDfrGszrwiQWLquDKpbAWt71Pirfi9WvCfXfQi?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Math bits 1: Natural numbers 2]]></title><description><![CDATA[We all are familiar with the basic mathematical operations that can be performed with natural numbers. The addition is the most natural one: We have $x$ elements on one hand, $y$ elements on the other,]]></description><link>http://direct.ecency.com/math/@wenito/math-bits-1-natural-numbers-2</link><guid isPermaLink="true">http://direct.ecency.com/math/@wenito/math-bits-1-natural-numbers-2</guid><category><![CDATA[math]]></category><dc:creator><![CDATA[wenito]]></dc:creator><pubDate>Sun, 17 Jun 2018 16:26:39 GMT</pubDate></item></channel></rss>