NotebookConvert["name"] converts a Mathematica notebook from a previous version of Mathematica to one for the current version.

ValueFunction[symb] represents a function to be applied whenever the symbol symb gets a new value.

Mathematica normally takes any expression it is given, and evaluates it as far as possible. But built into the Mathematica language is a collection of flexible primitives ...

Mathematica supports state-of-the-art sound generation, providing both arbitrary waveform synthesis from functions and data, and symbolic note-based MIDI-style sound ...

DemandIndex

AbsoluteTiming[expr] evaluates expr, returning a list of the absolute number of seconds in real time that have elapsed, together with the result obtained.

Apply[f, expr] or f @@ expr replaces the head of expr by f. Apply[f, expr, {1}] or f @@@ expr replaces heads at level 1 of expr by f.Apply[f, expr, levelspec] replaces heads ...

Dilation[image, ker] gives the morphological dilation of image with respect to the structuring element ker.Dilation[image, r] gives the dilation with respect to a range r ...

DistanceTransform[image] gives the distance transform of image, in which the value of each pixel is replaced by its distance to the nearest background ...

GeodesicDilation[marker, mask] gives the fixed point of the geodesic dilation of the image marker constrained by the image mask.