HEATKEYS

Online reference and resources - web development, software programming, electrical formulas.

Purplemath contains practical algebra lessons demonstrating useful techniques and pointing out common errors. Lessons are written with the struggling student in mind, and stress the practicalites over the technicalities. Links and other resources als...

The meaning and history of first names.

YourDictionary is a free online dictionary that offers definition search from Webster's dictionary for word meanings and thesaurus. Use this dictionary search as a crossword or scrabble dictionary. Also find legal dictionary, technical words, glossar...

Blue moons, frowly cats, first cousins twice removed, exiled Americans and much more can be found at Obliquity.

Genetics Home Reference (GHR) provides free access to consumer-friendly information on medical genetics to patients and their family members, health care professionals, and the public. The site offers summaries for a broad range of inherited conditio...

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

Prescription drug information and news for professionals and consumers. Search our drug database for comprehensive prescription and patient information on 24,000 drugs online

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

osric publishing includes the white crow, HAKTUP, poetry, fiction, art, and other projects

Wolfram|Alpha gives you access to the world