Formulas
- Compton wavelength
- Computability
- Computable function
- Computational complexity of matrix multiplication
- Conditional probability
- Conductance quantum
- Conductivity (electrolytic)
- Conductor gallop
- Cone
- Conformal geometric algebra
- Congruent number
- Connection (affine bundle)
- Connection (fibred manifold)
- Conoid
- Context-free grammar