$MachineType (Built-in Mathematica Symbol)

$MachineType is a string giving the general type of computer on which Mathematica is being run.

$OperatingSystem (Built-in Mathematica Symbol)

$OperatingSystem is a string giving the type of operating system under which Mathematica is being run.

$Output (Built-in Mathematica Symbol)

$Output gives the list of files and pipes to which standard output from Mathematica is sent.

$ParentProcessID (Built-in Mathematica Symbol)

$ParentProcessID gives the ID assigned to the process which invokes the Mathematica kernel by the operating system under which it is run.

$SystemCharacterEncoding (Built-in Mathematica Symbol)

$SystemCharacterEncoding gives the default raw character encoding for the computer system on which Mathematica is being run.

Automatic Numbering (Mathematica Tutorial)

Two ways to set up automatic numbering in a Mathematica notebook. These cells are in DisplayFormulaNumbered style. DisplayFormulaNumbered style is available in the default ...

Typing Radicals (Mathematica Tutorial)

To get a radical, press the Control key and the 2 key at the same time. Press Ctrl+2 or Ctrl+@. Type the radicand inside the placeholder (which is already selected).

SQLResultSetGoto (DatabaseLink Symbol)

SQLResultSetGoto[rs, pos] sets the current position of a result set to pos.

$RelaxedTypeChecking (JLink Symbol)

$RelaxedTypeChecking is a flag that can be set to True to speed up the validation performed in Mathematica (via pattern tests) on arrays of data being sent as arguments to ...

KeepNETObject (NETLink Symbol)

KeepNETObject[object] causes the specified object(s) not to be released when the current NETBlock ends. KeepNETObject[object, Manual] causes the specified object to escape ...