HEATKEYS

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...

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

FunBrain is the #1 site for online educational games for kids of all ages. (math, grammar, science, spelling, history)

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

Online weights and measures conversion. Online calculators for quick and easy metric conversion, conversion tables for both commonly used and very exotic units.

The Carolina Population Center is a community of scholars and professionals collaborating on interdisciplinary research and methods that advance understanding of population issues.

MEASURE DHS assists developing countries worldwide in the collection and use of data to monitor and evaluate population, health, and nutrition programs. The DHS program provides assistance with the Demographic and Health Survey, the Service Provision...

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

BusinessDictionary.com. Easy-to-use free business glossary with over 20,000 terms. Concise, clear, and comprehensive.

Visible Measures is the leading independent third-party measurement firm for Internet video publishers, advertisers, and viral marketers.