Science_Chemistry Author: Jesus M. Castagnetto Version: 1.0 A package of classes to deal with chemical opbjects (atoms, molecules, macromolecules, etc) To install the Science_Chemistry package you currently have to make a distribution tarball first: $ pear package package.xml This will result in a file called Science_Chemistry-1.0.tgz that you have to install: $ pear install Science_Chemistry-1.0.tgz Now you are all set