Update (Built-in Mathematica Symbol)

Update[symbol] tells Mathematica that hidden changes have been made which could affect values associated with a symbol. Update[] specifies that the value of any symbol could ...

UpValues (Built-in Mathematica Symbol)

UpValues[f] gives a list of transformation rules corresponding to all upvalues defined for the symbol f.

Verbatim (Built-in Mathematica Symbol)

Verbatim[expr] represents expr in pattern matching, requiring that expr be matched exactly as it appears, with no substitutions for blanks or other transformations.

ViewCenter (Built-in Mathematica Symbol)

ViewCenter is an option for Graphics3D and related functions which gives the scaled coordinates of the point which should appear at the center of the final image.

WeightedGraphQ (Built-in Mathematica Symbol)

WeightedGraphQ[g] yields True if the graph g is a weighted graph and False otherwise.

WindowSize (Built-in Mathematica Symbol)

WindowSize is a notebook option that specifies the size of window that should be used to display a notebook on the screen.

$BatchInput (Built-in Mathematica Symbol)

$BatchInput is True if input in the current session is being fed directly to the Mathematica kernel in batch mode.

$PreRead (Built-in Mathematica Symbol)

$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.

$ProcessorCount (Built-in Mathematica Symbol)

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

Arbitrary-Precision Calculations (Mathematica Tutorial)

When you use //N to get a numerical result, Mathematica does what a standard calculator would do: it gives you a result to a fixed number of significant figures. You can also ...