A blog about English grammar, usage, style, spelling, punctuation, and rhetoric

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

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictiona...

Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions...

Purplemath contains practical algebra lessons demonstrating useful techniques and pointing out common errors. Lessons are written with the struggling ...

Math help since 1998. Math Goodies helps kids at all levels with interactive instruction and free resources. Get help online or offline.

Online Conversion is a resource for weights, measures, calculators, converters.

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar

Action packed math site for elementary and middle school students featuring math games, math word problems, math worksheets, logic puzzles, and math v...

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear...

Washington State University provides leading research and world-class learning to 25,000 students at Pullman, Spokane, Vancouver, and Richland, Washin...

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

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 o...