The Experimental Functions Package contains functions that are being considered for official inclusion in future versions of Mathematica.

ComplexityFunction is an option for Simplify and other functions which gives a function to rank the complexity of different forms of an expression.

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

UnionSet[a, b, s] merges the sets containing a and b in union-find data structure s.

Mathematica has a built-in high-level interface to all standard SQL databases that allows immediate searching, reading, and writing of arbitrary data and expressions, as well ...

Integrated into the core Mathematica language is industrial-strength string manipulation, not only with ordinary regular expressions, but also with Mathematica's own powerful ...

Power series are in many ways the algebraic analog of limited-precision numbers. Mathematica can generate series approximations to virtually any combination of built-in ...

DefaultElement is an option for Grid and related constructs which specifies what to insert when a new element is interactively created.

The complete collection of Greek letters in Mathematica. You can use Greek letters as the names of symbols. The only Greek letter with a built-in meaning in StandardForm is ...

GUIInformation[obj] returns information about a live interface object.GUIInformation[obj, target] returns information about a specific widget in the ...