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The PBS Digital Learning Library is a public media system-wide repository of digital media learning objects, including videos, images, interactives, audios and documents. The PBS Digital Learning Library content will be easily searchable, tagged and correlated to state education standards. The content from the PBS Digital Learning Library will be accessible through digital services offered by local PBS stations.

GeoGebra is dynamic mathematics software for all levels of education that joins arithmetic, geometry, algebra and calculus. On the one hand, GeoGebra is an interactive geometry system. You can do constructions with points, vectors, segments, lines, conic sections as well as functions and change them dynamically afterwards. On the other hand, equations and coordinates can be entered directly