The following set of commands assume that you begin with a Mac OS X that does not have any of the necessities already installed. You can, thus, skip anything you have already done, e.g., if you have already installed Xcode, skip to Step 2.

1. Install the Xcode development and command line tool environment.
2. Install the MacPorts basic installation.
3. Install Python 2.7 for math, science, and NLP.
4. Install iPython and select it like you did for Python:

    port select --set ipython ipython27

1. Install iPython notebook. (And here’s a list of dependencies in case the notebook installation doesn’t complete by itself.)