http://netvouz.com/richter/tag/problems?feed=rss richter's bookmarks tagged "problems" on Netvouz http://www.quickmath.com/webMathematica3/quickmath/graphs/equations/basic.jsp#v1=y%3D3*x-Exp%5Bx%5D&v2=0&v3=4&v4=0&v5=4 QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices. Fyzika > Math richter Wed, 07 Sep 2011 19:00:07 GMT http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&ved=0CGcQFjAJ&url=http%3A%2F%2Fper.physics.helsinki.fi%2FTutkijakoulun_kesaseminaari_2008%2FMichael_R_Matthews_helsinki_2008.pdf&ei=QFP8T5KuEobS4QSYl_WDBw&usg=AFQjCNEwb_nV8FcQ7fHTVxQW55ufVYFUjw&sig2=J3yIpdYxzZuCjNE27jjrXw Školství (education) > Názory richter Tue, 10 Jul 2012 16:23:50 GMT http://www.jbse.webinfo.lt/Problems_of_Education.htm Fyzika > Časopisy > Časopisy (popularizace vědy, výuka fyziky) richter Thu, 12 Jul 2012 12:34:04 GMT