- CalcTool
- www.calctool.org
- Directory of simply-presented javascript calculators and equations for making common calculations. Provides quick, simple online calculation and unit conversion tools.
3.8
(si*)
>20
- Knovel
- knovel.com
- Online reference collection used by applied scientists and practicing engineers to quickly locate technical information.
3.7
(si*)
>10
- Science and Engineering Encyclopedia
- www.diracdelta.co.uk
- Descriptions, equations, calculators, conversions and material data for engineering, mathematics, physics and chemistry.
3.6
(si*)
<5
- Eformulae.com
- www.eformulae.com
- Online resource providing engineering, science, math, physics and chemistry formulae for reference.
3.4
(si*)
-
- Beta-Theta
- www.beta-theta.com
- Gives general definitions, background and examples from the science fields of biology, physics, chemistry, math, and history. Includes forum boards.
3.3
(1)
<10
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