Related Clues:

• Study of rulers and division?
• Ruler's class
• It involves adding and taking away
• Subject with angles and equations
• Euler's field
• Class that brings problem after problem?
• Subtraction's subject
• Combinatorics discipline
• Subject with lots of problems
• Numerous school subjects?
• School subject with fractions
• Subject that includes set theory
• Trig, for instance
• Trig subject