ry,
Cambridge, MA 02139 USA</b>.<p>

<li>Computer Generations, Inc. is holder of the copyright for the LiteClue
widget which is the basis of the bubble help system for the top row of buttons. 
The widget is freeware: it can be used free of charge and it is free of any warranty.<p>

<li>Xgremlin contains functions for sorting of arrays and a random
number generator. These functions were obtained from the <b>NIST Guide
to Available Mathematical Software (GAMS)</b> (see
http://www.nist.gov). GAMS programs are 