Mathematical sciences is a group of areas of study that includes, in addition to mathematics, those academic disciplines that are primarily mathematical in nature but may not be universally considered subfields of mathematics proper. Statistics, for example, is mathematical in its methods but grew out of scientific observations.

## Discrete and Combinatorial Mathematics: An Applied Introduction – Ralph P. Grimaldi – 3rd Edition

The areas of discrete and combinatorial mathematics are to some extent new to the undergraduate curriculum, so that there are…