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		<title>explain xkcd - User contributions [en]</title>
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		<updated>2026-07-10T18:03:56Z</updated>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=947:_Investing&amp;diff=35881</id>
		<title>947: Investing</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=947:_Investing&amp;diff=35881"/>
				<updated>2013-05-01T16:33:19Z</updated>
		
		<summary type="html">&lt;p&gt;192.139.231.5: /* Explanation */ snopes link added&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 947&lt;br /&gt;
| date      = September 5, 2011&lt;br /&gt;
| title     = Investing&lt;br /&gt;
| image     = investing.png&lt;br /&gt;
| titletext = But Einstein said it was the most powerful force in the universe, and I take all my investment advice from flippant remarks by theoretical physicists making small talk at parties.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{w|Compound interest}} is a type of {{w|interest}} in which the interest earned is added to the total amount, so that the interest itself then begins to gain interest. This contrasts to {{w|simple interest}}, where the amount used to calculate the interest will always stay at a fixed value.&lt;br /&gt;
&lt;br /&gt;
There is an urban legend that Einstein said that compounding interest is the most powerful force. [http://www.explainxkcd.com/wiki/index.php?title=250 Snopes] has its [http://www.snopes.com/quotes/einstein/interest.asp doubts about it].&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:Ponytail: Sure, 2% interest may not *seem* like a lot. But it's *compound*!&lt;br /&gt;
&lt;br /&gt;
:[Ponytail opens a computer and begins calculating]&lt;br /&gt;
:Ponytail: If you invest $1,000 now, in just ten short years you'll have.. ..let's see..&lt;br /&gt;
&lt;br /&gt;
:Ponytail: ..$1,219.&lt;br /&gt;
&lt;br /&gt;
:Ponytail: Ok, so compound interest isn't some magical force.&lt;br /&gt;
:Megan: Yeah, I'm just gonna try to make more money.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Megan]]&lt;br /&gt;
[[Category:Comics featuring Ponytail]]&lt;br /&gt;
[[Category:Math]]&lt;/div&gt;</summary>
		<author><name>192.139.231.5</name></author>	</entry>

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