<p>It is not that unusual to double major in math and some related area like CS, statistics, economics, or physics, or do a minor or additional course work in the related area.</p>
<p>However, that would mean checking the offerings in the related areas of interest as well as in math when considering the suitability of the college.</p>
<p>Also, in math, different math departments have different subareas of interest; check the course listings and faculty areas of interest, especially with smaller math departments.</p>