The cfep/asir in this distribution works only on Intel Mac's.
(It does not run on old PPC Mac's.)
It has been tested on MacOS 10.4(tigers), 10.5(leopard) and 10.6(snow leopard).

Install:

Drag and drop "cfep" at any place you want. Then, the installation is done.

Optional install:
Install "X11" from MacOS install disk.  It is under the optional tools.
Asir "plot" command will work.

Uninstall:
Move cfep to the trash.

Note: 
Installation of xcode tools is no longer necessary.

Info:
http://www.math.kobe-u.ac.jp/Asir