Algorithms researchers may be employing the mathematics of computing depending upon the particular subject and scope of study. That body of non-CS academics (ma

Algorithms researchers may be employing the mathematics of computing depending upon the particular subject and scope of study. That body of non-CS academics (mathematicians, physical scientists, and engineers) who use mathematics daily as a primary component of their research are doing math when they write programs--but not necessarily the mathematics of computing. Almost everybody else who writes programs isn't thinking in terms of mathematics, be it of computing or any other thing. Asking "what level of mathematics is this equivalent to" is therefore kind of a nonsense question--it has no real answer, because it implies there's a legitimate comparison to be made when there isn't.