I am not sure where this goes but I'm going to try it here...... When we put an equation in using the equation editor and you go in to view the questions it comes up as a broken picture not an equation. Any ideas?
http://docs.moodle.org/25/en/DragMath_equation_editor
Must turn on debug mode to use the link below (must be admin to set debug).
http://yourserver/admin/settings.php?section=debugging
Test here:
http://yourserver/filter/tex/texdebug.php
'spirit of sharing', Ken