ValueFunction[symb] represents a function to be applied whenever the symbol symb gets a new value.
ControllerLinking is an option for Manipulate, Graphics3D, Plot3D, and related functions that specifies whether to allow interactive control by external controllers.
HelpBrowserSettings -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies settings for the legacy Help Browser.
Mathematica has a very general notion of functions, as rules for arbitrary transformations. Values for variables are also assigned in this manner. When you set a value for a ...
Unicode: 222B. Alias: Esc int Esc. Compound operator with built-in evaluation rules. ∫ f x is by default interpreted as Integrate[f,x]. ∫_a^b f x is by default ...
Initialization Cell makes a cell auto-evaluate whenever the notebook is opened and the kernel is launched.
Initialization Group makes the cells in a group auto-evaluate whenever the notebook is opened and the kernel is launched.
Why the Beep? opens a dialog with an explanation of why the front end produced a beep.
CellDynamicExpression is an option for cells that specifies an expression to be dynamically updated whenever the cell is visible on-screen.
FrontEndDynamicExpression is a global front end option that specifies an expression to be dynamically updated whenever the front end is running.