DirectedEdges is an option for Graph, GraphPlot, and related functions that specifies whether edges should be taken to be directed.

ExpressionCell[expr] gives an expression cell that can appear in a Mathematica notebook. ExpressionCell[expr, " style"] gives an expression cell with the specified style.

ImageRotate[image] rotates image counterclockwise by 90\[Degree].ImageRotate[image, side] rotates image to make the top of the image be on the specified ...

MorphologicalComponents[image] gives an array in which each pixel of image is replaced by an integer index representing the connected foreground image component in which the ...

NotebookEventActions is a notebook option that gives a list of actions to perform when specified events occur in connection with the notebook.

OpenWrite["file"] opens a file to write output to it, and returns an OutputStream object. OpenWrite[] opens a new file in the default area for temporary files on your ...

PolynomialLCM[poly_1, poly_2, ...] gives the least common multiple of the polynomials poly_i. PolynomialLCM[poly_1, poly_2, ..., Modulus -> p] evaluates the LCM modulo the ...

ProgressIndicator[x] represents a progress indicator with setting x in the range 0 to 1. ProgressIndicator[Dynamic[x]] takes the setting to be the dynamically updated current ...

Quartics is an option for functions that involve solving algebraic equations that specifies whether explicit forms for solutions to quartic equations should be given.

Tolerance is an option for various numerical options which specifies the tolerance that should be allowed in computing results.