Astronomical Constants from NASA - http://www.ksc.nasa.gov/facts/faq04.html
Contains astronomical/space constants and equations. |
Beta-Theta - http://www.beta-theta.com/
Gives general defintions, background and examples from the science fields of biology, physics, chemistry, math, and history. Includes forum boards. |
CalcTool - http://www.calctool.org/
Directory of simply-presented javascript calculators and equations for making common calculations. Provides quick, simple online calculation and unit conversion tools. |
DOE Community - http://www.osti.gov/doecommunity/
Searchable database for reports that are generated by federally funded projects. |
Eformulae.com - http://www.eformulae.com
Online resource providing engineering, science, math, physics and chemistry formulae for reference. |
Physics and Science Reference by PhysLINK.com - http://www.physlink.com/Reference/Index.cfm
Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations. |
RefScout - http://www.refscout.com/
A weekly, scientific reference mailing service. |
Science and Engineering Encyclopedia - http://www.diracdelta.co.uk
Descriptions, equations, calculators, conversions and material data for engineering, mathematics, physics and chemistry. |
The Constants and Equations Pages - http://www.scenta.co.uk/tcaep/
Expands reference resources for science, maths, and astronomy. |