$Line (Built-in Mathematica Symbol)

$Line is a global variable that specifies the number of the current input line.

MachinePrecision (Built-in Mathematica Symbol)

MachinePrecision is a symbol used to indicate machine-number precision.

DivisorSum (Built-in Mathematica Symbol)

DivisorSum[n, form] represents the sum of form[i] for all i that divide n.DivisorSum[n, form, cond] includes only those divisors for which cond[i] gives True.

StirlingS1 (Built-in Mathematica Symbol)

StirlingS1[n, m] gives the Stirling number of the first kind S_n^(m).

MorphologicalEulerNumber (Built-in Mathematica Symbol)

MorphologicalEulerNumber[image] computes the morphological Euler number of regions in a binary image.MorphologicalEulerNumber[image, t] treats values above t as foreground.

Manipulating Expressions like Lists (Mathematica Tutorial)

You can use most of the list operations discussed in "Lists" on any kind of Mathematica expression. By using these operations, you can manipulate the structure of expressions ...

VectorPoints (Built-in Mathematica Symbol)

VectorPoints is an option to VectorPlot, ListVectorPlot, and related functions that determines how many field vectors to draw.

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 ...

HammingDistance (Built-in Mathematica Symbol)

HammingDistance[u, v] gives the Hamming distance between strings or vectors u and v.

Subfactorial (Built-in Mathematica Symbol)

Subfactorial[n] gives the number of permutations of n objects that leave no object fixed.