<TD ALIGN=LEFT> Apple </TD>
  <TD ALIGN=LEFT>
  <A HREF="https://developer.apple.com/library/mac/navigation/#section=Frameworks&topic=Accelerate">
  Accelerate framework 
  </A></TD></TR>

  <TR><TD ALIGN=LEFT> Compaq </TD>
  <TD ALIGN=LEFT>
  <A HREF="http://h18000.www1.hp.com/math/documentation/cxml/dxml.3dxml.html">
  CXML
  </A></TD></TR>

  <TR><TD ALIGN=LEFT> Cray </TD>
  <TD ALIGN=LEFT>
  <A HREF="http://h18000.www1.hp.com/math/documentation/cxml/dxml.3dxml.html">
  libsci
  </A></TD></TR>

  <TR><TD