Physics Formulae Physics Formulae: A collection of frequently used physics equations compiled into several downloadable formats. (Reference) http://www.xs4all.nl/~johanw/contents.html
The Laws List The Laws List: An alphabetical glossary of the various laws and theorems in this science. (Reference) http://www.alcyone.com/max/physics/laws/
The Physics Reference The Physics Reference: Site contains every forumula a first-year physics student is likely to run into. (Reference) http://dph1701.tripod.com/physsci/index.html
The NIST Reference on Constants, Units and Uncertainty The NIST Reference on Constants, Units and Uncertainty: Values recommended for international use by the Committee on Data for Science and Technology, International Council of Science. Navigation is by text search. (Reference) http://physics.nist.gov/cuu/Constants/
Eqndb Eqndb: Search for physics equations and constants by keywords and symbols. (Reference) http://www.eqndb.com
Physics FAQ (Where to Find It) Physics FAQ (Where to Find It): Links where to find the FAQ documents for physics. (Reference) http://www.faqs.org/faqs/physics-faq/where-to-find-it/
Additional
Information: Includes reference materials in Physics, such as:
Lists of formulae and constants.
Glossaries of terms.
Encyclopaedias 
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