4.34 Ã10-55 is a proper example because. 1  4.34, which is a in this example, is not smaller than 1 and not larger than 10. 2  10's exponent is the integer -55. Integers can be negative.
The most reliable way to install a Python package is to install it from source via its setup.py script. This will install your Python package into a directory like /Library/Python/2.6/site-packages. The simplest method is using easy_install, a gem or apt-like interface for installing Python packages.
Before we install OS X, we'll need to set up VirtualBox so the OS X install disc can boot correctly. Here's what you need to do: 1  Start up VirtualBox and click the New button. 2  Give your new virtual machine a name (I just called it Mac OS X) and set the operating system to Mac OS X Server (64-bit). After a moment, it'll take you to the OS X Installation screen. 2  Click on your VirtualBox hard drive in the left sidebar, then click the Erase tab in Disk Utility's main pane. 3  Give your drive a name (like Macintosh HD) and click Erase.