- Astro-Physical Calculator
Features pre-programmed physical constants and astronomical data.
www.astro.wisc.edu/~dolan/constants/calc.html
- Fundamental Physical Constants
www.chemie.fu-berlin.de/chemistry/general/constants_en.html
- Physical Constants and Astronomical Data
www.astro.wisc.edu/~dolan/constants.html
- Fundamental Physical Constants from the National Institute of Standards and Technology
Gives the values of physical constants, allowing users to covert between energy measurements and show the appropriate factors. Also includes searchable bibliography.
physics.nist.gov/cuu/Constants
- eqndb
Offers a database of images and descriptions for physics I and II equations searchable by keyword or symbol.
www.eqndb.com
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