LetterQ (Built-in Mathematica Symbol)

LetterQ[string] yields True if all the characters in the string are letters, and yields False otherwise.

Level (Built-in Mathematica Symbol)

Level[expr, levelspec] gives a list of all subexpressions of expr on levels specified by levelspec. Level[expr, levelspec, f] applies f to the sequence of subexpressions.

LogLogPlot (Built-in Mathematica Symbol)

LogLogPlot[f, {x, x_min, x_max}] generates a log-log plot of f as function of x from x_min to x_max. LogLogPlot[{f_1, f_2, ...}, {x, x_min, x_max}] generates log-log plots of ...

McLaughlinGroupMcL (Built-in Mathematica Symbol)

McLaughlinGroupMcL[] represents the sporadic simple McLaughlin group McL.

PageRankCentrality (Built-in Mathematica Symbol)

PageRankCentrality[g, \[Alpha]] gives a list of page-rank centralities for the vertices in the graph g and weight \[Alpha].PageRankCentrality[g, \[Alpha], \[Beta]] gives a ...

PermutationList (Built-in Mathematica Symbol)

PermutationList[perm] returns a permutation list representation of permutation perm.PermutationList[perm, len] returns a permutation list of length len.

Plus (Built-in Mathematica Symbol)

x + y + z represents a sum of terms.

PossibleZeroQ (Built-in Mathematica Symbol)

PossibleZeroQ[expr] gives True if basic symbolic and numerical methods suggest that expr has value zero, and gives False otherwise.

Sow (Built-in Mathematica Symbol)

Sow[e] specifies that e should be collected by the nearest enclosing Reap. Sow[e, tag] specifies that e should be collected by the nearest enclosing Reap whose pattern ...

Weights (Built-in Mathematica Symbol)

Weights is an option for various fitting and other functions which specifies weights to associate with data elements.