There are four undergraduate programs in mathematics. The first three are all part of Course 18 and lead to the degree Bachelor of Science in Mathematics. The fourth is Mathematics with Computer Science, Course 18C, and leads to a Bachelor of Science in Mathematics with Computer Science.

The breadth of careers envisioned by Mathematics Majors has led to the creation of a number of subjects with similar content. The following limitation applies to all four degree options: Subjects taken to satisfy the Mathematics degree requirements must not have essentially similar content. Specifically, you may count at most one of the subjects from each of the following lists.

For the 2020-2023 academic years, these additional special cases also apply:

While we are happy to consider Transfer Credit for work done elsewhere, at least half of the subjects beyond 18.03 used to fulfill the requirements for the Mathematics major must be taken at MIT; i.e. at least four of the eight 12-unit subjects required for the course 18 options, and at least six of the twelve required for the 18C option.

The math-major roadmaps page provides guidance on relevant classes for different fields and applications of mathematics, sorted roughly into the order in which they might be taken.

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