This strand involves skill and facility with calculus. The S-strand begins at one of two calculus options - MATH 122A/B (Functions for Calculus and First-Semester Calculus) or MATH 125 (Calculus I). Students who successfully complete the S-strand may continue on to MATH 129 (Calculus II), MATH 223 (Vector Calculus), or beyond. Those who choose but are not ready to begin the S-strand will be required to take preparatory work.

Second-semester skill level in a second language is required.
Non-B.A. degree students may fulfill this requirement with one of the following options:

1. Scoring the equivalent of second-semester skill level on an entrance or placement examination administered by The University of Arizona.
2. Completion with a C or better of a second semester course at the post-secondary level.
3. An AP (Advanced Placement), IB (International Baccalaureate) or CLEP (College Level Entrance Program) language score determined by the individual language department.
4. In the College of Engineering by a method determined within the College; however, all students in the college must also take a language placement examination on entrance to the University.