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.