\[ErrorIndicator] (Mathematica Character Name)

Unicode: F767. Uninterpretable element. Generated to indicate the position of a syntax error in messages produced by functions like Get and ToExpression. Shown as ^^^ in ...

$Path (Built-in Mathematica Symbol)

$Path gives the default list of directories to search in attempting to find an external file.

Numerical Calculations (Mathematica Tutorial)

Exact symbolic results are usually very desirable when they can be found. In many calculations, however, it is not possible to get symbolic results. In such cases, you must ...

RunThrough (Built-in Mathematica Symbol)

RunThrough["command", expr] executes an external command, giving the printed form of expr as input and taking the output, reading it as Mathematica input, and returning the ...

FindFile (Built-in Mathematica Symbol)

FindFile[name] finds the file with the specified name that would be loaded by Get[name] and related functions.

Save (Built-in Mathematica Symbol)

Save["filename", symbol] appends definitions associated with the specified symbol to a file. Save["filename", " form"] appends definitions associated with all symbols whose ...

Parts of Matrices (Mathematica Guide)

Mathematica provides several convenient methods for extracting and manipulating parts of matrices. The flexible [[ ]] (Part) and ;; (Span) syntaxes provide compact yet ...

NotebookEvaluate (Built-in Mathematica Symbol)

NotebookEvaluate[notebook] evaluates all the evaluatable cells in notebook.

$Failed (Built-in Mathematica Symbol)

$Failed is a special symbol returned by certain functions when they cannot do what they were asked to do.

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