HEATKEYS

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

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...

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

Equal parts comics and commentary, Penny Arcade features Tycho and Gabe, the alter egos of creators Mike Krahulik and Jerry Holkins. Read about the antics and thoughts of the Penny Arcade crew, updated every Monday, Wednesday and Friday.

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

A portfolio of artwork, commercial projects, contemporary design, technology, and experimentation.

Pre-K-8 elementary educational resources for teachers, students, and parents.

Investopedia.com - Your Source For Investing Education. Includes the most comprehensive investing dictionary on the web as well as articles and tutorials on nearly any aspect of the market.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

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