d'Alembert's Equation
The Ordinary Differential Equation
where
and 
and 
are given functions.- Caliban Puzzle
- Calvary Cross
- Cameron's Sum-Free Set Constant
- Cancellation
- Cancellation Law
- Cannonball Problem
- Canonical Form
- Canonical Polyhedron
- Canonical Transformation
- Cantor Comb
- Cantor-Dedekind Axiom
- Cantor Diagonal Method
- Cantor Diagonal Slash
- Cantor Dust
- Cantor Function
- Cantor's Equation
- Cantor Set
- Cantor's Paradox
- Cantor Square Fractal
- Cantor's Theorem
- Cap
- Capacity
- Capacity Dimension
- Carathéodory Derivative
- Carathéodory's Fundamental Theorem