- Calculus class calculation (AREA with 4 letters)
- Calculus calculations (e.g. AREAS with 5 letters)
- Pre-calculus calculation (AREA with 4 letters)
- Calculus class calculations (AREAS with 5 letters)
- Calculus calculation: Abbr. (e.g. LIM with 3 letters)
- Approach to arithmetic that emphasizes underlying ideas rather than exact calculations (FUZZYMATH with 9 letters)
- Carpet buyer's calculation (AREA with 4 letters)
- High school math calculations (AREAS with 5 letters)
- Trig class calculation (SEC with 3 letters)
- Gambler's calculation (RISES with 5 letters)