Diagonal[m] gives the list of elements on the leading diagonal of the matrix m.Diagonal[m, k] gives the elements on the k\[Null]^th diagonal of m.
DirichletTransform[expr, n, s] gives the Dirichlet transform of expr with respect to n.
DynamicModuleValues is an option for DynamicModule that stores downvalues of local symbols.
EvaluatorNames is a global option that specifies the kernels that are currently configured to perform evaluations.
ExtentElementFunction is an option to DiscretePlot and DiscretePlot3D that gives a function to use to generate the primitives for rendering each extent element.
ExtractArchive[file] expands an archive file, saving its content into the current directory.ExtractArchive[file, dir] saves the content of an archive file into directory ...
FormBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2} is an option for cells that specifies settings for FormBox objects within the cell.
IncludeConstantBasis is an option for LinearModelFit and other fitting functions that specifies whether a constant term should be included if not explicitly given in the list ...
IncludeFileExtension is an option for notebooks that specifies whether the suffix ".nb" is automatically appended to a notebook's name when it is first saved.
InstallService["url"] installs the web service operations in the WSDL description at the URL given.InstallService["url", "context`"] installs web service operations, creating ...