Just curious - is there a package or dataset somewhere containing values for physical constants? I only ask because I\'ve now typed in 273.15 (Celsius to Kelvi
Should be fairly easy to download and parse this:
http://physics.nist.gov/cuu/Constants/Table/allascii.txt
[actually scratch that, that file is not nicely formatted, and a couple of the constants break even the approximate fixed-width formatting. Needs cleverer processing to be useful]