CarmichaelLambda[n] gives the Carmichael function \[Lambda](n), defined as the smallest integer m such that k^m \[Congruent] 1 mod n for all k relatively prime to n.
Cases
(Built-in Mathematica Symbol) Cases[{e_1, e_2, ...}, pattern] gives a list of the e_i that match the pattern. Cases[{e_1, ...}, pattern -> rhs] gives a list of the values of rhs corresponding to the e_i ...
Cashflow[{c_0, c_1, ..., c_n}] represents a series of cash flows occurring at unit time intervals.Cashflow[{c_0, c_1, ..., c_n}, q] represents cash flows occurring at time ...
Casoratian[{y_1, y_2, ...}, n] gives the Casoratian determinant for the sequences y_1, y_2, ... depending on n.Casoratian[eqn, y, n] gives the Casoratian determinant for the ...
Catalan
(Built-in Mathematica Symbol) Catalan is Catalan's constant, with numerical value \[TildeEqual] 0.915966.
CatalanNumber[n] gives the n\[Null]^th Catalan number C_n.
Catch
(Built-in Mathematica Symbol) Catch[expr] returns the argument of the first Throw generated in the evaluation of expr. Catch[expr, form] returns value from the first Throw[value, tag] for which form ...
CauchyDistribution[a, b] represents a Cauchy distribution with location parameter a and scale parameter b.
CayleyGraph[group] returns a Cayley graph representation of group.
CDFDeploy["file.cdf", expr] deploys expr in a form that can be played by Wolfram CDF Player.CDFDeploy["file.cdf", notebook] deploys a notebook.CDFDeploy["file.cdf", ...