Formulas
- Canonical commutation relation
- Canonical ensemble
- Canonical quantization
- Canonical transformation
- Canonical units
- Cantor's theorem
- Capacitor
- Capacitor-spring analogy
- Cardinal utility
- Carleson's theorem
- Cartesian coordinate system
- Casimir effect
- Casorati–Weierstrass theorem
- Cassini oval
- Casus irreducibilis