PrintingStyleEnvironment is an option for notebooks which specifies the style environment to be used in printing the notebook on paper.

ScreenRectangle is a global option that specifies the position of the screen by giving the coordinates of two diagonally opposite corners.

ScreenStyleEnvironment is an option for notebooks that specifies the style environment to be used in displaying a notebook on the screen.

SyntaxLength["string"] finds the number of characters starting at the beginning of a string that correspond to syntactically correct input for a single Mathematica expression.

Thumbnail[image] gives a thumbnail version of an image.Thumbnail[image, size] gives a thumbnail with the specified maximum pixel size.

UsingFrontEnd[expr] evaluates expr, making use of a front end if necessary.

Limit[expr,x->x_0] tells you what the value of expr is when x tends to x_0. When this value is infinite, it is often useful instead to know the residue of expr when x equals ...

Finding lines that contain specified text. Here is a file containing some text. This returns a list of all the lines in the file containing the text is.

Registered MIME type: video/avi Microsoft AVI format. Multimedia container format. Commonly used for archiving and exchanging video content. Stores audio and video content in ...

CountRoots[poly, x] gives the number of real roots of the polynomial poly in x.CountRoots[poly, {x, a, b}] gives the number of roots between a and b.