(TXT) MD5
 (HTM) about.html
 (HTM) coeff.html
 (HTM) datastruct.html
 (DIR) gif_files
 (HTM) gphplt.html
 (HTM) graphics.html
 (DIR) icons
 (HTM) iflag.html
 (HTM) index.html
 (HTM) inplt.html
 (HTM) iparray.html
 (HTM) mtxplt.html
 (HTM) pltmg.html
 (DIR) png_files
 (???) quick_ref.css
 (HTM) quick_ref.html
 (HTM) reset.html
 (HTM) rparray.html
 (HTM) sparray.html
 (HTM) trigen.html
 (HTM) triplt.html