Description: is a free online mathematics and science problem solving website for bright young students around the world. It offers personalized mathematics and physics problem sets and quizzes, as well as access to international community of more than 2 million students, educators and enthusiasts, including olympiad champions, international science fair medalists, high school teachers, and university professors.

The appearance of any information in the Davidson Institute's Database does not imply an endorsement by, or any affiliation with, the Davidson Institute. All information presented is for informational purposes only and is solely the opinion of and the responsibility of the author. Although reasonable effort is made to present accurate information, the Davidson Institute makes no guarantees of any kind, including as to accuracy or completeness. Use of such information is at the sole risk of the reader.

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