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    Open in a new Window   » Physics and Science Reference by PhysLINK.com   - Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations.

    Open in a new Window   » Astronomical Constants from NASA - Astronomical/space constants and equations.

    Open in a new Window   » Beta-Theta - Gives general defintions, background and examples from the science fields of biology, physics, chemistry, math, and history. Includes forum boards.

    Open in a new Window   » The Constants and Equations Pages - Expanding reference resource for science, math and astronomy

    Open in a new Window   » EquationSheet.com - Searchable directory, arranged by field, of equations, constants, symbols and SI units. Also features LaTEX utilities, software links.

    Open in a new Window   » GrayLIT Network - Searchable database for reports that are generated by federally funded projects.

    Open in a new Window   » RefScout - 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.


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