On 5/8/18, Jesse Williamson <[email protected]> wrote: > Hi everyone, > > I'm trying to get this to work: > > @tex > \frac{a}{b} > @end tex > > ...and when I run: > texi2pdf foo.texi > > I get "Undefined control sequence." for \frac. A similar error occurs > using @math{}.
Try "a \over b" instead. \frac is a LaTeX command and doesn't work: only plain TeX commands work.
