Enzo Dark Matter Particle Mass

  #!formula
  #nomode
   A more complicated equation should be typeset in {\em displayed math\/} mode,
   like this:
   \[
   z \left( 1 \ +\ \sqrt{\omega_{i+1} + \zeta -\frac{x+1}{\Theta +1} y + 1} 
   \ \right)
   \ \ \ =\ \ \ 1
   \]