If math stuff is set in an \hbox, then TeX performs some optimization and omits the implicit penalties \binoppenalty and \relpenalty. This packages tries to put stuff into an \hbox without losing those penalties.
The author is Heiko Oberdiek. The package is Copyright © 2005-2007 Heiko Oberdiek.
License: lppl1.3 Version: 1.7 Catalogued: 2015-08-03