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"The portal comes equipped with a dynamic and interactive textbook, lesson plans aligned to the common core standards, and many other supplemental materials for your courses, including Wolfram Demonstrations, widgets, and videos. The Education Portal currently contains full materials for Algebra and partial materials for Calculus, but will continue to grow and improve with your comments and feedback. We developed the interactive textbook by working with the CK-12 Foundation, a non-profit organization with the mission to produce free and open source K-12 materials aligned to state curriculum standards and customized to meet student and teacher needs. The available Algebra textbook takes CK-12′s Algebra I FlexBook and makes it dynamic with our technologies."

I know that Google is king in the search industry but this new 'heapr' claims to be faster.  It says it is powered by google.  The cool aspect is that it divides the screen in two columns and it currently searches twitter, wolfram and wikipedia.