HEATKEYS

Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations.

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

YouTube is a place to discover, watch, upload and share videos.

GraphPad Prism is a powerful combination of biostatistics, curve fitting (nonlinear regression) and scientific graphing in one comprehensive program. Easily organize, analyze and graph repeated experiments; pick appropriate statistical tests and inte...

Dumb Little Man shares ideas to make the everyday person more productive in life. Expect to read tips on finance, saving money, business, and some DIY for the house.

Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary o...

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...

OriginLab produces professional graphing and data analysis software for scientists and engineers. Our products are designed to be easy-to-use, yet have the power and versatility to provide for the most demanding user.

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education