Formulas
- Cardinal number
- Cardinality
- Caristi fixed-point theorem
- Carl Ferdinand Degen
- Carleman's equation
- Carleman's inequality
- Carleson measure
- Cauchy's integral theorem
- Cauchy-continuous function
- Cauchy boundary condition
- Cauchy condensation test
- Cauchy matrix
- Cauchy sequence
- Cauchy–Binet formula
- Cauchy–Hadamard theorem