The default typeface is called Computer Modern but if you do not like it there are plenty of options: http://www.tug.org/pracjourn/2006-1/hartke/hartke.pdf htt

The default typeface is called Computer Modern but if you do not like it there are plenty of options: http://www.tug.org/pracjourn/2006-1/hartke/hartke.pdf http://www.tug.org/pracjourn/2006-1/hartke/hartke.pdf