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FilledSmallSquare NumericFunction is an attribute that can be assigned to a symbol f to indicate that f[, , ... ] should be considered a numeric quantity whenever all the are numeric quantities.

FilledSmallSquare Most standard built-in mathematical functions have the attribute NumericFunction.

FilledSmallSquare NumericQ checks the NumericFunction attribute of every function it encounters.

FilledSmallSquare If you assign the attribute NumericFunction to a function that does not yield numerical values, then NumericQ will give misleading results.

FilledSmallSquare See Section 2.6.3 and Section 3.1.2.

FilledSmallSquare See also: NumericQ, NHoldAll.

FilledSmallSquare New in Version 3.

Further Examples