- PREREQ
- Class before a class, briefly
- Trig vis-à-vis calc, usually
- Trig, for calc, often
- Trig, for calc, e.g.
- Algebra, for calc, e.g.
- Intro to Comp Sci, for Data Structures, e.g.
- Calc, for many an engineering major
- Course-enrollment necessity, for short
