HEATKEYS

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.

English obscure words and etymology resources: online dictionary of weird and unusual words, word lists, technical vocabulary aids, lipograms, and word related essays

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...

Star Wars movies, characters, and spin-offs are catalogued in Wookieepedia, a comprehensive database that anyone can edit.

NumberNut.com! The web site that teaches the basics of math to everyone!

educational databases for teachers containing science projects, teacher jobs, lesson plans, curriculum, state testing resources, java applets, free software, interactive physics software

This online unit conversion tool will help you convert measurement units anytime and solve homework problems quickly using metric conversion tables, SI units, and more.

Business and industrial web sites: design, develop, promote & manage. Deliver web technology solutions for improving sales, marketing, operations, and communications. Free: technical tables & formulas, ElecMech mailing list, Classified ads

Tools by Digital Dutch

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...