The requirements for this major are specified in the Mathematics section of the Undergraduate Bulletin. After you declare a Math and CS major (code 1721), be sure to sign up for our cs-ugrads mailing list, as well cs-jobs and cs-internships lists if you wish to receive job-related announcements.

Note that many CS courses have prerequisites and most are not offered every semester, so plan your schedule carefully. While your official advisor may be in either the Math or the CS department, it is important to get advice from both. If you do not have a CS advisor listed by registration time (to find out, go to Student Link, click on "Academics" and then on "Academic Advising"), you should request one by contacting Professor Leo Reyzin, Director of Undergraduate Studies.

See here for resources of interest to Mathematics and Computer Science majors, including student organizations and career resources.