<LI>style = <I>index</I> or <I>loop</I> or <I>world</I> or <I>universe</I> or <I>uloop</I> or <I>equal</I> or <I>atom</I>
<PRE> <I>index</I> args = one or more strings
<I>loop</I> args = N = integer size of loop
<I>world</I> args = one string for each partition of processors
<I>universe</I> args = one or more strings
<I>uloop</I> args = N = integer size of loop
<I>equal</I> or <I>atom</I> args = one equation containing numbers, thermo keywords, math functions, group functions, atom vectors, compute references, other variables