<posts user="" update="2012-02-16 01:09:26"><post time="2008-12-26T12:58:59+0100" tag=" challenge fun mathe programming" user="cschenk" hash="8d63cd02cf98f39eeeb3e12077075cbf" description="Project Euler" href="http://projecteuler.net/"/><post time="2008-08-30T20:01:54+0200" tag=" integral mathe mathematica wolfram" user="cschenk" hash="7bc657a8c360388c6b6470a66cb40f38" description="Wolfram Mathematica Online Integrator" href="http://integrals.wolfram.com/index.jsp"/><post time="2008-02-27T11:49:33+0100" tag=" encyclopedia lang:en mathe reference wolfram" user="cschenk" hash="f9d44ff527b4c7fe24817144f5be0bd2" description="Wolfram - MathWorld" href="http://mathworld.wolfram.com/"/><post time="2008-02-20T12:01:01+0100" tag=" geogebra java mathe software" user="cschenk" hash="81749ca1c596adb1a1baee65ff9990ba" description="GeoGebra" href="http://www.geogebra.org/"/></posts>
