Related Clues:
- Euclid's study
- Teen terrorizer
- Math branch with many unknowns
- Course with unknowns
- Certain math class
- Subject with many unknowns
- Course with x's
- High-school course
- Euclid's subject
- Course for planes?
- It often involves x's
- School subject with variables
- Euclid's science
- The mathematics of points, lines and surfaces
- Mathematics of points, lines and surfaces