Perfect Square
The term perfect square is used to refer to a Square Number, a Perfect Square Dissection, or a factorable quadratic polynomial of the form 
.
- Cell
- Cellular Automaton
- Cellular Space
- Center
- Centered Cube Number
- Centered Hexagonal Number
- Centered Pentagonal Number
- Centered Polygonal Number
- Centered Square Number
- Centered Triangular Number
- Center Function
- Center (Group)
- Center of Gravity
- Center of Mass
- Centillion
- Central Angle
- Central Beta Function
- Central Binomial Coefficient
- Central Conic
- Central Difference
- Centralizer
- Central Limit Theorem
- Central Trinomial Coefficient
- Centrode
- Centroid (Function)