Truncated Octahedron Stuff...
Downloadable file suffixes and corresponding formats:
*.txt → plaintext
*.pdf → Portable Document Format (PDF)
*.sxw → OpenOffice Writer
*.doc → Microsoft Word
*.ppt → Microsoft PowerPoint
*.gif → GIF image (still or animated)
*.png → Portable Network Graphic (image)
*.mpg → Motion Picture Experts Group (MPEG-1; video)
*.avi → Audio-Video Interleaved (video)
*.html → usual, just click on it
*.tcl → Tcl script file (most likely uses VMD's Tcl API)
*.py → Python module/script file (most likely uses PyMOL or VMD's Python API) 
Icon  Name                                   Last modified      Size  Description
[DIR] Parent Directory                                            -   
[   ] Numeric-24.2.tar.gz                    29-Oct-2006 16:21  726K  
[   ] Numeric-23.8.2.tar.gz                  14-Feb-2007 12:08  698K  
[   ] python-numeric-24.2-11.fc9.src.rpm     30-Oct-2008 22:49  732K  original src RPM shipped with F10
[TXT] cmRNG_v2.patch                         13-May-2009 16:07  5.0K  patch to take v24.2-11 → v24.2-12, so no weird RNG() routine memory errors
[   ] python-numeric-24.2-12.fc10.src.rpm    13-May-2009 16:22  738K  patched source RPM for F10
[   ] python-numeric-24.2-12.fc10.x86_64.rpm 13-May-2009 16:22  802K  patched binary RPM, built on a clean 64-bit F10 workstation
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