ChessboardDistance[u, v] gives the chessboard, Chebyshev, or sup norm distance between vectors u and v.

Clear[symbol_1, symbol_2, ...] clears values and definitions for the symbol_i. Clear["form_1", "form_2", ...] clears values and definitions for all symbols whose names match ...

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 ...

ContourShading is an option for contour plots that specifies how the regions between contour lines should be shaded.

ControlType is an option for Manipulate and related functions that specifies what type of controls should be displayed.

Convergents[list] gives a list of the convergents corresponding to the continued fraction terms list.Convergents[x, n] gives the first n convergents for a number ...

CriticalSection[{var_1, var_2, ...}, expr] locks the variables var_i with respect to parallel computation, evaluates expr, then releases the var_i.

CrossMatrix[r] gives a matrix whose elements are 1 in a centered cross-shaped region that extends r positions along each index direction, and are 0 otherwise.CrossMatrix[r, ...

DamerauLevenshteinDistance[u, v] gives the Damerau\[Dash]Levenshtein distance between strings or vectors u and v.

DeleteDuplicates[list] deletes all duplicates from list.DeleteDuplicates[list, test] applies test to pairs of elements to determine whether they should be considered ...