Regularized Beta Function
The regularized beta function is defined by
where
is the incomplete Beta Function and 
is the complete Beta Function.See also Beta Function, Regularized Gamma Function- Coefficient Field
- Coercive Functional
- Cofactor
- Cohen-Kung Theorem
- Cohomology
- Cohomotopy Group
- Coin
- Coincidence
- Coin Flipping
- Coin Paradox
- Coin Problem
- Coin Tossing
- Colatitude
- Colinear
- Collatz Problem
- Collinear
- Super-3 Number
- Superabundant Number
- Super Catalan Number
- Superegg
- Superellipse
- Superfactorial
- Supergraph
- Supernormal
- Superperfect Number