HEATKEYS

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Department of Mathematics

A large collection of cryptarithms and alphametics, including cryptarithms from the journal Sphinx, a Primer on Cryptarithmetic, books, and links to the best collections of alphametics on the Web.

Ohio Wesleyan University -- or OWU -- is a strong liberal arts college that is nationally known for its blend of scholarship and teaching, service learning, and student engagement. Chartered in 1842, Ohio Wesleyan is a highly selective, coeducational...

Cryptarithms are mathematical puzzles in which the digits in an arithmetic expression are replaced by letters of the alphabet. The object is to work out which numbers correspond to each letter. Generally the letters are chosen so that the sum also sp...

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