$ProcessorCount (Built-in Mathematica Symbol)

$ProcessorCount gives the number of processor cores available on the computer system on which Mathematica is being run.

PrivateFontOptions (Built-in Mathematica Symbol)

PrivateFontOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for various font suboptions.

Logging MathLM (Mathematica Tutorial)

You can enable logging in two ways. The log file records messages as they occur, building up a detailed record of license activity over a period of time. Logging supports ...

ToString (Built-in Mathematica Symbol)

ToString[expr] gives a string corresponding to the printed form of expr in OutputForm. ToString[expr, form] gives the string corresponding to output in the specified form.

Xx (Vector Analysis Package Symbol)

Xx is one of the default coordinates for the Cartesian coordinate system.

Yy (Vector Analysis Package Symbol)

Yy is one of the default coordinates for the Cartesian coordinate system.

Evaluation Options in Notebooks (Mathematica Guide)

Mathematica allows you to specify in detail what should happen when you press Shift+Enter to evaluate a cell in a notebook, or Ctrl+Shift+Enter to evaluate an expression in ...

Heads (Built-in Mathematica Symbol)

Heads is an option for functions which use level specifications that specifies whether heads of expressions should be included.

ImageAlign (Built-in Mathematica Symbol)

ImageAlign[image_1, image_2] returns a version of image_2 that is aligned with image_1.

RotateLabel (Built-in Mathematica Symbol)

RotateLabel is an option for graphics and related functions that specifies whether labels on vertical frame axes should be rotated to be vertical.