MathLink allows you to exchange data of any type with external programs. For more common types of data, you simply need to give appropriate :ArgumentTypes: or :ReturnType: ...
In catering to the fine points of mathematical typesetting and notational clarity, Mathematica provides a variety of special variant forms of letters.
Mathematica provides state-of-the-art fully automated visualization of vector functions and data—suitable for representing flows, field lines and other vector fields of any ...
FindCurvePath[{{x_1, y_1}, {x_2, y_2}, ...}] gives an ordering of the {x_i, y_i} that corresponds to one or more smooth curves.
GroupStabilizer[group, {p_1, ..., p_n}] returns the subgroup of elements of group that move none of the points p_1, ..., p_n.
Latitude[pos] gives the latitude in degrees of a geographic position specified by pos.Latitude[pos, datum] gives the latitude referring to the specified geodetic datum.
Majority[e_1, e_2, ...] gives True if the majority of the e_i are True, and False if the majority are False.
NumberFieldClassNumber[\[Theta]] gives the class number for the algebraic number field \[DoubleStruckCapitalQ][\[Theta]] generated by \[Theta].
OptionInspectorSettings -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies the display of options in the Option Inspector.
$ScriptCommandLine is a list of strings giving the elements of the command line with which the standalone Mathematica script was invoked.