Subdirectories of Reference:
Categories related to Reference : Science: Business: Publishing and Printing: Publishing: Academic and Technical (150) Reference (59,883) Reference: Dictionaries: By Subject (495) Websites on Reference: * Physics and Science Reference by PhysLINK.com Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations. Astronomical Constants from NASA Contains astronomical/space constants and equations. Beta-Theta Gives general defintions, background and examples from the science fields of biology, physics, chemistry, math, and history. Includes forum boards. The Constants and Equations Pages Expands reference resources for science, maths, and astronomy. DOE Community Searchable database for reports that are generated by federally funded projects. RefScout A weekly, scientific reference mailing service.
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