NotebookSave[notebook] saves the current version of the specified notebook. NotebookSave[notebook, " file"] saves the notebook in the specified file. NotebookSave[] saves the ...

PassEventsUp is an option to EventHandler that specifies whether events handled by a particular event handler should be passed up to event handlers in outer expressions.

SymbolName[symbol] gives the name of the specified symbol.

TrackedSymbols is an option to Refresh, Manipulate, and related functions that specifies which symbols should trigger updates when their values are changed.

Undefined is a symbol that represents a quantity with no defined value.

$PreRead is a global variable whose value, if set, is applied to the text or box form of every input expression before it is fed to Mathematica.

When a differential system has a certain structure, it is advantageous if a numerical integration method preserves the structure. In certain situations it is useful to solve ...

Create a Slide Show Create a Lecture Notebook Style and Format Notebooks

In using Mathematica, you sometimes need to repeat an operation many times. There are many ways to do this. Often the most natural is in fact to set up a structure such as a ...

JavaBlock -- release any Java objects created during evaluation once evaluation finishes, BeginJavaBlock, EndJavaBlock -- mark the beginning and end of a Java block, ...