Difference between revisions of "Main Page"

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<h2>Welcome to the '''AoPSWiki'''!</h2>
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__NOTOC__  __NOEDITSECTION__  <div class="frontlink" style="background-color:#1b365d; color:#ffffff; font-size: 110%; padding-left:15px; padding-right:15px; padding-bottom:10px;"> <span style="font-size: 200%">'''Welcome to the AoPS Wiki!'''</span>
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The AoPS Wiki project is administered by the [[Art_of_Problem_Solving|<span style="color:#83a1d6;">Art of Problem Solving</span>]] for supporting educational content useful to avid math students.
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<div style="float:right; width:250px; position: relative;"><div style="background-color:rgb(242,255,242);border: 2px solid #999; padding:5px; margin-left: 5px;">
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<div style="background-color:darkred;padding:10px;color:white;text-align:center;margin-top:10px;display:none">
<center><strong>[[AoPSWiki:WotW|AoPSWiki Words of the Week]]</strong></center>
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During AMC testing week, the AoPS Wiki is in read-only mode. No edits can be made.
* [[Asymptote]]
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* [[AMC historical results]]
 
</div><div style="background-color:rgb(255,242,242); border: 2px solid #999; padding:5px; margin-left: 5px; margin-top: 3px;">
 
<center><strong>Topics</strong></center>
 
* [[Mathematics]]
 
* [[LaTeX | LaTeX Tutorial and Resources]]
 
* [[Asymptote (Vector Graphics Language) | LaTeX graphics]]
 
* [[Science | Sciences]]
 
* [[Computer science | Computer Science]]
 
* [[Technology]]
 
* [[Academic competitions]]
 
* [[Scholarships]]
 
* [[Table of Contents]]
 
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The AoPSWiki is a project for supporting educational content useful to students of math, science, computer science, technology, and other problem solving topics.  Nobody knows what will become of the AoPSWiki -- and that's half the fun.
 
  
Consult the [http://meta.wikipedia.org/wiki/MediaWiki_User%27s_Guide User's Guide] for information on using the wiki software.
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      {{topics}}
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<b>What you can do</b>
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      {{weeklyproblem}}
* Find the information you need about [[mathematics]], [[science]], [[computer science]], and [[technology]].
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    </div>
* Learn how to make graphics in the LaTeX typesetting system with [[Asymptote (Vector Graphics Language) | Asymptote]].
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* Write/edit articles.
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    <div style="min-height: 192px; max-height: 370px;background-color:#fff; overflow:hidden; margin: 5px auto 0px 5px;">
* Compile information useful to students of [[problem solving]].
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      {{recentchanges}}
* [[AoPSWiki:Site_support | Support the AoPSWiki]].
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    </div>
* Let others know about AoPSWiki.
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  </div>
 
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== Getting Started ==
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<div style="right-margin:100px">
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<h2 style="border-bottom: 1px solid; color: #1b365d;">New to the AoPS Wiki?</h2>
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<td  style="width: 20%;">[[AoPSWiki tutorial | Tutorial]]</td>
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If you don't know much about how to edit a wiki, you might want to read the [[AoPS_Wiki:Tutorial|tutorial]] and the [[Help:Contents|help files]]. You can also read [[AoPS_Wiki:What AoPSWiki is not|what AoPSWiki is not]]. Lastly, please read the [[AoPS_Wiki:Policy|policies]] of the AoPSWiki before editing, and [[AoPS_Wiki:What makes AoPSWiki different|why AoPSWiki is different from other online resources]].
<td style="width: 40%;">[[What AoPSWiki is not]]</td>
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<td style="width: 33%;">[[MediaWiki | About MediaWiki Software]]</td>
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AoPSWiki runs on the [[MediaWiki]] software.
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<tr>
 
<td style="width: 20%;">[[AoPS | About AoPS]]</td>
 
<td style="width: 40%;">[[What makes AoPSWiki different]]</td>
 
<td style="width: 33%;">[[AoPS Community Awards | Community Excellence]]</td>
 
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</table>
 
 
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[[Category:AoPSWiki]]
 

Latest revision as of 13:22, 13 November 2024

During AMC testing week, the AoPS Wiki is in read-only mode. No edits can be made.

Problem of the Week

1983 AIME, Problem 13

For $\{1, 2, 3, \ldots, n\}$ and each of its non-empty subsets a unique alternating sum is defined as follows. Arrange the numbers in the subset in decreasing order and then, beginning with the largest, alternately add and subtract successive numbers. For example, the alternating sum for $\{1, 2, 3, 6,9\}$ is $9-6+3-2+1=5$ and for $\{5\}$ it is simply $5$. Find the sum of all such alternating sums for $n=7$.

New to the AoPS Wiki?

If you don't know much about how to edit a wiki, you might want to read the tutorial and the help files. You can also read what AoPSWiki is not. Lastly, please read the policies of the AoPSWiki before editing, and why AoPSWiki is different from other online resources.

AoPSWiki runs on the MediaWiki software.