Bibliographies 29 Periodic Table 67 Science Dictionaries 106 Science Libraries 106 Standards 357 Units of Measurement 48
Biology and Genetics 33 Math 45
Acoustic Material Properties 2 Chemical Databases 56 Materials Safety Data Sheets 12
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Academic and Technical - Publishing, Publishing and Printing, Business 141
Reference 55,249
By Subject - Dictionaries, Reference 458
Physics and Science Reference by PhysLINK.comPhysics and Science Reference by PhysLINK.com
Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations.
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Astronomical Constants from NASAAstronomical Constants from NASA
Contains astronomical/space constants and equations.
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Beta-ThetaBeta-Theta
Gives general definitions, background and examples from the science fields of biology, physics, chemistry, math, and history. Includes forum boards.
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CalcToolCalcTool
Directory of simply-presented javascript calculators and equations for making common calculations. Provides quick, simple online calculation and unit conversion tools.
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The Constants and Equations PagesThe Constants and Equations Pages
Expands reference resources for science, maths, and astronomy.
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DOE CommunityDOE Community
Searchable database for reports that are generated by federally funded projects.
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Eformulae.comEformulae.com
Online resource providing engineering, science, math, physics and chemistry formulae for reference.
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KnovelKnovel
Online reference collection used by applied scientists and practicing engineers to quickly locate technical information.
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RefScoutRefScout
A weekly, scientific reference mailing service.
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Science and Engineering EncyclopediaScience and Engineering Encyclopedia
Descriptions, equations, calculators, conversions and material data for engineering, mathematics, physics and chemistry.
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