http://blogs.law.harvard.edu/tech/rss http://www.ludism.org/mentat/RecentChanges Tue, 21 May 2013 11:39:19 GMT Tue, 21 May 2013 11:39:19 GMT Oddmuse http://www.ludism.org/mentat/Comments_on_NumbersNearMultiplesOfTen <ol><li>## 6 Comments. ### How to do 56 x 49? I can't get the result. </li></ol><p>-- Jiggaboo 2009-09-15 21:42 UTC </p><hr /><p>@Jiggaboo that's because it only works if the numbers are "close" to a POWER of 10 (not a multiple)... and yours aren't. </p><p>I have some multiplication tricks of my own at: <a class="url http" href="http://www.discreteideas.com/2009/08/the-shortest-path/">http://www.discreteideas.com/2009/08/the-shortest-path/</a> </p><p>-- <a class="url http outside" href="http://www.discreteideas.com">The Count</a> 2009-10-06 14:52 UTC </p><hr /><p>what determines a + or - in the first step? </p><p>-- Anonymous 2009-10-29 08:04 UTC </p><hr /><p>base 50 = 10 * 5 </p><p>56 +6 [56 - 50 = 6] 49 -1 [49 - 50 = -1] </p><p>5 * (50 + 6 - 1) | -6 275 |-6 2750 - 6 = 2744 </p><p>-- Anon. 2009-11-15 09:21 UTC </p><hr /><p>Vedic Math... early 20th century?? Sure about that? </p><p>-- anon42 2010-04-03 17:01 UTC </p><hr /><p>This is an amazing method. </p><p>-- Anonymous 2011-02-06 03:00 UTC </p><hr /><p>"Vedic Math... early 20th century?? Sure about that?" </p><p>Yep. <a class="url http" href="http://en.wikipedia.org/wiki/Bharati_Krishna_Tirthaji">http://en.wikipedia.org/wiki/Bharati_Krishna_Tirthaji</a> </p><p>-- jsryan 2012-09-06 22:58 UTC </p><hr /><p>Mentat Wiki: Comments on <a class="local" href="http://www.ludism.org/mentat/NumbersNearMultiplesOfTen">NumbersNearMultiplesOfTen</a> Prada Bags <a class="url http" href="http://prada.com.cool4buy.com/">http://prada.com.cool4buy.com/</a> </p><p>-- <a class="url http outside" href="http://Prada">Bags Prada Bags</a> 2013-05-18 10:56 UTC </p><hr /><p>Mentat Wiki: Comments on <a class="local" href="http://www.ludism.org/mentat/NumbersNearMultiplesOfTen">NumbersNearMultiplesOfTen</a> Ray Ban Sunglasses Outlet <a class="url http" href="http://www.cheapsunglassessmall.com/">http://www.cheapsunglassessmall.com/</a> </p><p>-- <a class="url http outside" href="http://Ray">Ban Sunglasses Outlet Ray Ban Sunglasses Outlet</a> 2013-05-21 04:51 UTC </p><hr /><p>Mentat Wiki: Comments on <a class="local" href="http://www.ludism.org/mentat/NumbersNearMultiplesOfTen">NumbersNearMultiplesOfTen</a> replica oakley sunglasses <a class="url http" href="http://www.cheapoakleyysunglasses.com/">http://www.cheapoakleyysunglasses.com/</a> </p><p>-- <a class="url http outside" href="http://replica">oakley sunglasses replica oakley sunglasses</a> 2013-05-21 11:38 UTC </p><hr /><p>Mentat Wiki: Comments on <a class="local" href="http://www.ludism.org/mentat/NumbersNearMultiplesOfTen">NumbersNearMultiplesOfTen</a> Cheap Oakley Sunglasses <a class="url http" href="http://www.sunglassess365.com/">http://www.sunglassess365.com/</a> </p><p>-- <a class="url http outside" href="http://Cheap">Oakley Sunglasses Cheap Oakley Sunglasses</a> 2013-05-21 11:39 UTC</p> Tue, 21 May 2013 11:39:19 GMT Cheap Oakley Sunglasses updated major 18 http://www.ludism.org/mentat?action=history;id=Comments_on_NumbersNearMultiplesOfTen http://www.ludism.org/mentat?action=browse;diff=1;id=Comments_on_NumbersNearMultiplesOfTen