MousePosition[] gives the current mouse position in the notebook front end. MousePosition["coords"] gives the mouse position with respect to the specified coordinate ...
Here is a typical palette of modifiers. Mathematica allows you to use any expression as a subscript. Unless you specifically tell it otherwise, Mathematica will interpret a ...
StartingStepSize is an option to NDSolve and related functions that specifies the initial step size to use in trying to generate results.
DiscreteTimeModelQ[expr] gives True if expr is a discrete-time StateSpaceModel or TransferFunctionModel object and False otherwise.
DiscreteLQRegulatorGains[ss, {q, r}, \[Tau]] gives the optimal discrete-time state feedback gain matrix with sampling period \[Tau] for the continuous-time StateSpaceModel ...
"Introduction to Manipulate" and "Introduction to Dynamic" provide most of the information you need to use Mathematica's interactive features accessible through the functions ...
X Environment Information opens a dialog box that displays the current attributes of the X front end environment (X only).
While
(Built-in Mathematica Symbol) While[test, body] evaluates test, then body, repetitively, until test first fails to give True.
This example illustrates how to take advantage of Widget["Action"] objects and easily connect and construct typical user interface elements, such as menu items, toolbars, ...
WidgetGroup[{content, ...}] specifies custom layout settings for how the content widgets are displayed.