Mathematica Expressions in Files (Mathematica Guide)

Mathematica's symbolic architecture immediately defines a serializable representation for any Mathematica data or program—which can then readily be stored in a file.

Contexts (Built-in Mathematica Symbol)

Contexts[] gives a list of all contexts. Contexts["string"] gives a list of the contexts that match the string.

Begin (Built-in Mathematica Symbol)

Begin["context`"] resets the current context.

Stub (Built-in Mathematica Symbol)

Stub is an attribute which specifies that if a symbol is ever used, Needs should automatically be called on the context of the symbol.

$Context (Built-in Mathematica Symbol)

$Context is a global variable that gives the current context.

Files, Streams, and External Operations (Mathematica Overview)

Reading and Writing Mathematica Files External Programs Streams and Low-Level Input and Output

WaveletExplorer (Mathematica Compatibility Information)

As of Mathematica 8, the functionality of the Wavelet Explorer add-on has been integrated into the Mathematica kernel.

[Right-click] > Version Advisory (Mathematica Menu Item)

Version Advisory checks for input from previous versions of Mathematica that should be updated for compatibility with the current version.

$ExportFormats (Built-in Mathematica Symbol)

$ExportFormats gives a list of export formats currently supported in your Mathematica system.

Coordinate Systems (Vector Analysis Package Guide)