Reference

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	Home: Reference CATEGORIES:   Standards (231)   Units of Measurement (85) LINKS: Astronomical Constants from NASA http://www.ksc.nasa.gov/facts/faq04.html  pop Astronomical/space constants and equations. RefScout http://www.refscout.com/  pop A weekly, scientific reference mailing service. Screens databases covering life and medical sciences for the key words or the combination of key words specified and will automatically update with any abstract that has come up during the last seven days. Free service. The Constants and Equations Pages http://www.tcaep.co.uk/  pop Expanding reference resource for science, math and astronomy GrayLIT Network http://www.osti.gov/graylit/  pop Searchable database for reports that are generated by federally funded projects. EquationSheet.com http://www.equationsheet.com/  pop Searchable directory, arranged by field, of equations, constants, symbols and SI units. Also features LaTEX utilities, software links. Physics and Science Reference by PhysLINK.com http://www.physlink.com/Reference/Index.cfm  pop Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations. Beta-Theta http://www.beta-theta.com/  pop Gives general defintions, background and examples from the science fields of biology, physics, chemistry, math, and history. Includes forum boards.

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