DialogReturn[expr] closes a dialog window, returning the expression expr from the dialog.DialogReturn[] closes a dialog window, returning Null.

DirectedGraphQ[g] yields True if the graph g is a directed graph and False otherwise.

Evaluate[expr] causes expr to be evaluated even if it appears as the argument of a function whose attributes specify that it should be held unevaluated.

ExactNumberQ[expr] returns True if expr is an exact real or complex number, and returns False otherwise.

FactorSquareFree[poly] pulls out any multiple factors in a polynomial.

Find[stream, " text"] finds the first line in an input stream that contains the specified string. Find[stream, {"text_1", "text_2", ...}] finds the first line that contains ...

Glow[col] is a graphics directive which specifies that surfaces of 3D graphics objects that follow are to be taken to glow with color col. Glow[] specifies that there is no ...

ImageKeypoints[image] finds key features in image and returns their coordinates.ImageKeypoints[image, prop] gives the specified property prop for each keypoint.

ImageResize[image, w] gives a resized version of image that is w pixels wide.ImageResize[image, {s}] gives a resized version of image with a maximum pixel width or height ...

Inherited represents an option value to be inherited from an enclosing style, cell, or notebook.