bmueller's most recent materials Here you can access the 20 newest materials of the GeoGebraTube user 'bmueller' Thu, 23 May 2013 19:41:34 +0200 Zend_Feed_Writer 1.12.0 (http://framework.zend.com) http://www.geogebratube.org Trig Investigation Thu, 26 Apr 2012 18:20:43 +0200 http://www.geogebratube.org/material/show/id/8538 http://www.geogebratube.org/material/show/id/8538 bmueller bmueller Quadratic with Sliders Wed, 25 Apr 2012 13:25:28 +0200 http://www.geogebratube.org/material/show/id/8441 http://www.geogebratube.org/material/show/id/8441 bmueller bmueller