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<!--Generated by Squarespace Site Server v5.11.81 (http://www.squarespace.com/) on Tue, 07 Feb 2012 21:01:25 GMT--><feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/"><title>Calculus-Help.com News</title><subtitle>Calculus-Help.com</subtitle><id>http://www.calculus-help.com/home/</id><link rel="alternate" type="application/xhtml+xml" href="http://www.calculus-help.com/home/"/><link rel="self" type="application/atom+xml" href="http://www.calculus-help.com/home/atom.xml"/><updated>2012-02-03T20:33:48Z</updated><generator uri="http://www.squarespace.com/" version="Squarespace Site Server v5.11.81 (http://www.squarespace.com/)">Squarespace</generator><entry><title>Hungry for more math?</title><id>http://www.calculus-help.com/home/2012/2/3/hungry-for-more-math.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2012/2/3/hungry-for-more-math.html"/><author><name>Mike Kelley</name></author><published>2012-02-04T01:23:00Z</published><updated>2012-02-04T01:23:00Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img src="http://www.calculus-help.com/storage/images/journal-posts/hungry.jpg?__SQUARESPACE_CACHEVERSION=1328301134976" alt="" /></span></span>Don't fret! The spring semester is starting, so new Problems of the Week will resume February 10!</p>]]></content></entry><entry><title>There's No "U" in Substitution</title><id>http://www.calculus-help.com/home/2012/1/13/theres-no-u-in-substitution.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2012/1/13/theres-no-u-in-substitution.html"/><author><name>Mike Kelley</name></author><published>2012-01-14T00:52:00Z</published><updated>2012-01-14T00:52:00Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><a href="http://www.flickr.com/photos/29456235@N04/3665618772/"><img src="http://www.calculus-help.com/storage/images/2011/u-turn.jpg?__SQUARESPACE_CACHEVERSION=1326484849573" alt="" /></a></span><span class="thumbnail-caption" style="width: 250px;"><a href="http://www.flickr.com/photos/29456235@N04/3665618772/"> Photo by Charleston's TheDigitel</a></span></span>Are you pro-derivatives? If so, well, our politics may clash in the new <a href="http://www.calculus-help.com/14-power-rule-for-integration/">Problem of the Week</a>, as it is firmly <em>anti</em>-derivative. Only one tool is allowed to solve this pair of problems--the power rule for integration. No <em>u</em>-substitution allowed!</p>]]></content></entry><entry><title>Polar Derivatives</title><id>http://www.calculus-help.com/home/2011/12/15/polar-derivatives.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/12/15/polar-derivatives.html"/><author><name>Mike Kelley</name></author><published>2011-12-15T21:02:40Z</published><updated>2011-12-15T21:02:40Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img src="http://www.calculus-help.com/storage/images/2011/polar.jpg?__SQUARESPACE_CACHEVERSION=1323983224272" alt="" /></span></span>The last <a href="http://www.calculus-help.com/13-polar-derivatives/">Problem of the Week for 2011</a> is now posted, and it's feeling all festive. Take a journey deep into the cold, barren wastelands of the Northern ice cap and search among the iceburgs to find a certain toymaker's workshop. (In case you need help calculating the derivative of a polar equation.)&nbsp;</p>
<p>With a nod of his head and a wink of his eye, he will promptly ask you to stop trespassing, and for Christmas this year? A restraining order from Santa.&nbsp;</p>
<p>No, this is not how you planned things at all...</p>
<p>&nbsp;</p>]]></content></entry><entry><title>Cubism, Sadness, and Super Powers</title><id>http://www.calculus-help.com/home/2011/12/3/cubism-sadness-and-super-powers.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/12/3/cubism-sadness-and-super-powers.html"/><author><name>Mike Kelley</name></author><published>2011-12-03T08:06:21Z</published><updated>2011-12-03T08:06:21Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img src="http://www.calculus-help.com/storage/images/2011/cubes.jpg?__SQUARESPACE_CACHEVERSION=1322899818980" alt="" /></span><span class="thumbnail-caption" style="width: 240px;"><a href="http://www.flickr.com/photos/fdecomite/3660541991/"> Photo by fdecomite</a></span></span></p>
<p>Have you ever loved something so deeply, so meaningfully, so  completely, so profoundly that it would really irk you if you dropped  that thing into a bubbling vat of acid? I have, and so that you may  learn from my tragedy, I will share a horrific tale from my past.&nbsp;</p>
<p>Once, on a whim, I spent an entire summer trying to carve a perfect  cube from a piece of driftwood on the beach. Don't ask why; this is what  all math teachers do during summer break, and if teachers tell you  otherwise, they are lying. Look at their hands carefully&mdash;they are  probably whittling as they lie to you!</p>
<p>Click <a href="http://www.calculus-help.com/12-super-related-rates/">here</a><span> </span>to read more and to attempt the <a href="http://www.calculus-help.com/12-super-related-rates/">Problem of the Week</a>.</p>]]></content></entry><entry><title>Be Thankful for the Chain Rule</title><id>http://www.calculus-help.com/home/2011/11/18/be-thankful-for-the-chain-rule.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/11/18/be-thankful-for-the-chain-rule.html"/><author><name>Mike Kelley</name></author><published>2011-11-19T03:48:27Z</published><updated>2011-11-19T03:48:27Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img style="width: 250px;" src="http://www.calculus-help.com/storage/images/2011/chain.jpg?__SQUARESPACE_CACHEVERSION=1321676692881" alt="" /></span></span>Long ago, in the early days of American history, a hearty band of pilgrims landed firmly on Plymouth Rock for two reasons: (1) they sought religious freedom, and (2) they mistimed their jumps, originally aiming for Plymouth Soft Sand and getting a nasty lump on their foreheads as a result. (See last week's <em>My First Cliff Diving Kit</em>&nbsp;for more information, or visit your local library.)</p>
<p>These days we celebrate the seafaring and clumsy spirit of those pilgrims by gathering family together and calcuating derivatives. Enjoy this gravy-soaked chain rule <a href="http://www.calculus-help.com/11-chain-rule/">Problem of the Week</a>, and we'll see you in two weeks, after the Thanksgiving holiday.</p>]]></content></entry><entry><title>Diving into Rates of Change</title><id>http://www.calculus-help.com/home/2011/11/12/diving-into-rates-of-change.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/11/12/diving-into-rates-of-change.html"/><author><name>Mike Kelley</name></author><published>2011-11-12T19:11:09Z</published><updated>2011-11-12T19:11:09Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><a href="http://www.flickr.com/photos/johnonolan/4736342886"><img src="http://www.calculus-help.com/storage/images/2011/cliff%20diver.jpg?__SQUARESPACE_CACHEVERSION=1321125148944" alt="" /></a></span><span class="thumbnail-caption" style="width: 250px;"><a href="http://www.flickr.com/photos/johnonolan/4736342886">Image by John O'Nolan</a></span></span>Every holiday season, there's one toy every child <em>yearns</em> for, the hot toy of the year that's in short supply but high demand. In ages past, Cabbage Patch Kids, Furbies, and Tickle Me Elmos topped the sales charts, but not this year. No sir (or madam, as the case may be).</p>
<p>In the new <a href="http://www.calculus-help.com/10-derivatives-and-rates-of-ch/">Problem of the Week</a>, we announce this year's must have toy: <em>My First Cliff Diving Kit</em>! You'll be the talk of the town as you plummet from astronomical heights, narrowly dodging razor-sharp rocks, and land in water less than four feet deep. The only thing you'll be tickling is your fancy (or the side of the hospital bed in a desperate request for additional painkillers because you forgot to calculate for wind on your most recent dive).</p>]]></content></entry><entry><title>Getting Graphic with Derivatives</title><id>http://www.calculus-help.com/home/2011/11/4/getting-graphic-with-derivatives.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/11/4/getting-graphic-with-derivatives.html"/><author><name>Mike Kelley</name></author><published>2011-11-05T01:03:00Z</published><updated>2011-11-05T01:03:00Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img style="width: 150px;" src="http://www.calculus-help.com/storage/images/2011/graph-3d.png?__SQUARESPACE_CACHEVERSION=1320434773335" alt="" /></span></span></p>
<p>In a shameless attempt to increase our ratings during sweeps month, <a href="http://www.calculus-help.com/9-graphs-of-derivatives/">the new Problem of the Week</a> is pretty graphic, so we feel it necessary to warn you ahead of time. If you are upset by scenes of graphic functions and their derivatives, or if there are any young mathematicians among you, you may want to turn away from your computer screen now.</p>]]></content></entry><entry><title>Up Pasture Bed Time</title><id>http://www.calculus-help.com/home/2011/10/29/up-pasture-bed-time.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/10/29/up-pasture-bed-time.html"/><author><name>Mike Kelley</name></author><published>2011-10-29T17:54:31Z</published><updated>2011-10-29T17:54:31Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img src="http://www.calculus-help.com/storage/images/2011/cowz.jpg?__SQUARESPACE_CACHEVERSION=1319911240968" alt="" /></span><span class="thumbnail-caption" style="width: 225px;"><a href="http://www.freedigitalphotos.net/images/view_photog.php?photogid=149">Image: federico stevanin / FreeDigitalPhotos.net</a></span></span>Are you a farmer who needs to fence in a rectangular plot of land that is bounded on one side by a river, but only plans to buy fence for the non-river sides because your cows aren't strong swimmers? I know what you're thinking. "Of course I am!" Thought so. I wrote the new <a href="http://www.calculus-help.com/8-optimizing-a-dirt-farm/">Problem of the Week</a> just for you, math/cow farmer.</p>]]></content></entry><entry><title>Revenge of Table Derivatives</title><id>http://www.calculus-help.com/home/2011/10/21/revenge-of-table-derivatives.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/10/21/revenge-of-table-derivatives.html"/><author><name>Mike Kelley</name></author><published>2011-10-22T00:30:00Z</published><updated>2011-10-22T00:30:00Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p>&nbsp;</p>
<p><span class="full-image-float-left ssNonEditable"><span><img src="http://www.calculus-help.com/storage/images/2011/dogtable.png?__SQUARESPACE_CACHEVERSION=1320092452556" alt="" /></span></span>If you liked the last Problem of the Week, which asked you to calculate the derivatives of functions defined by a table, then you are gonna <em>love</em> this week's Problem of the Week, the <a href="http://www.calculus-help.com/problem-7-revenge-of-table-der/">Revenge of Table Derivatives</a>. Why? Instead of two functions, you're looking at four--count 'em FOUR--functions in the table. Enjoy.</p>
<p>&nbsp;</p>]]></content></entry><entry><title>Derivatives of Table Functions</title><id>http://www.calculus-help.com/home/2011/10/8/derivatives-of-table-functions.html</id><link rel="alternate" type="text/html" href="http://www.calculus-help.com/home/2011/10/8/derivatives-of-table-functions.html"/><author><name>Mike Kelley</name></author><published>2011-10-08T07:47:32Z</published><updated>2011-10-08T07:47:32Z</updated><content type="html" xml:lang="en-US"><![CDATA[<p><span class="full-image-float-left ssNonEditable"><span><img src="http://www.calculus-help.com/storage/images/2011/1402681aryt2ncs.jpg?__SQUARESPACE_CACHEVERSION=1318060175138" alt="" /></span><span class="thumbnail-caption" style="width: 215px;"> <a href="http://www.freedigitalphotos.net/images/view_photog.php?photogid=1039">Image: ahmet guler / FreeDigitalPhotos.net</a></span></span>By special request, the October 8 <a href="http://www.calculus-help.com/problems-of-the-week/">Problem of the Week</a> is all about derivatives of tabular functions. "What are tabular functions," you ask? They're mysteries--only a few of their values are given in the form of a table, and you aren't provided with the actual functions themselves.</p>
<p>"How am I supposed to take the derivative of a function I don't know," you ask? Geesh! Enough with the questions already. <a href="http://www.calculus-help.com/6-table-derivatives/">Just click here and get crackin'.</a></p>]]></content></entry></feed>
