- Calculus class calculations (AREAS with 5 letters)
- Calculus class letters (QED with 3 letters)
- Class often taken before calculus: Abbr. (TRIGON with 6 letters)
- Trig class calculation (SEC with 3 letters)
- Statistics class calculation (MEAN with 4 letters)
- Geometry class calculation (AREA with 4 letters)
- Surface ___ (math class calculation) (AREA with 4 letters)
- Calculus calculations (e.g. AREAS with 5 letters)
- Calculus calculation: Abbr. (e.g. LIM with 3 letters)
- Pre-calculus calculation (AREA with 4 letters)