Related Clues:
- A branch of math.
- Math subj. with angles
- Pre-calc. course
- High-school subj.
- Some H.S. math
- Search for the unknown?: Abbr.
- It's full of x's: Abbr.
- High-school math course: Abbr.
- Calc. prerequisite
- ''Solve for x'' subj.
- HS math class
- Subj. with unknowns
- Study of figures: Abbr.
- Junior H.S. math, perhaps
- Nation on the Med.