"Introduction to Manipulate" and "Introduction to Dynamic" provide most of the information you need to use Mathematica's interactive features accessible through the functions ...
"ToggleDynamicUpdating" is a front end token that toggles automatic refreshing of a Dynamic.
"RefreshDynamicObjects" is a front end token that reevaluates a Dynamic.
Dynamic Updating Enabled toggles automatic evaluation associated with dynamic objects.
When you make a function definition using :=, the value of the function is recomputed every time you ask for it. In some kinds of calculations, you may end up asking for the ...
Convert Dynamic to Literal replaces each selected dynamic object with its most recent static value.
Create Animations Build an Interactive Application Import and Export Animations
Mathematica 8 introduces interactive content delivered by Wolfram|Alpha directly into your documents. Additionally, Mathematica 8 extends the existing set of interface ...
UpdateInterval is an option to Refresh and Dynamic that specifies at what time interval to do updates.
NotebookDynamicExpression is an option for notebooks that specifies an expression to be dynamically updated whenever that notebook is open.