HEATKEYS

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 dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

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

CohortAnalysis.com provides a detailed explanation of cohort analysis, examples of how cohort analysis is used in busines, interactive cohort analysis charts, and links to helpful resources.

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.

The National Center for Education Statistics (NCES) collects, analyzes and makes available data related to education in the U.S. and other nations.

Blackboard helps clients enrich all aspects of the education experience by engaging and assessing learners, making their daily lives more convenient and secure, and keeping them informed and aware of the most important information.

Graphics and statistics software for scientists and engineers: CoPlot (for publication quality 2D and 3D graphs, maps, and technical drawings), CoStat (for statistical analysis), and CoCalc (a free RPN scientific calculator).