CompiledFunction[args...] represents compiled code for evaluating a compiled function.
Complement[e_all, e_1, e_2, ...] gives the elements in e_all which are not in any of the e_i.
Complexes represents the domain of complex numbers, as in x \[Element] Complexes.
ComplexityFunction is an option for Simplify and other functions which gives a function to rank the complexity of different forms of an expression.
patt /; test is a pattern which matches only if the evaluation of test yields True. lhs :> rhs /; test represents a rule which applies only if the evaluation of test yields ...
ContentSize is an option for Manipulate and other functions that specifies the size of the content area to use.
ContinuedFractionK[f, g, {i, i_min, i_max}] represents the continued fraction \[CapitalKappa]_i = i_min^i_max f/g.ContinuedFractionK[g, {i, i_min, i_max}] represents the ...
ContourDetect[image] gives a binary image in which white pixels correspond to the zeros and zero crossings in image.ContourDetect[image, delta] treats values in image that ...
ContourLabels is an option for contour plots that specifies how to label contours.
Contours is an option for contour plots that specifies the contours to draw.