Unicode: 2261. Alias: Esc === Esc. Infix similarity operator. x ≡ y is by default interpreted as Congruent[x,y]. Used in mathematics for many notions of equivalence and ...
ShowContents is an option for selections that specifies whether an object represented by a StyleBox should be displayed on the screen or replaced by blank space.
SpanSymmetric is an option for selections that specifies whether vertically expandable characters are symmetric about the axis of the selection.
Congruent[x, y, ...] displays as x \[Congruent] y \[Congruent] ....
PaneSelector[{v_1 -> expr_1, v_2 -> expr_2, ...}, v] represents an object that displays as a pane containing the expr_i for which v_i is equal to v.
FractionLine is an option for fractions that specifies the thickness of the line separating the numerator and denominator.
FindIntegerNullVector[{x_1, x_2, ..., x_n}] finds a list of integers a_i such that a_1 x_1 + a_2 x_2 + \[CenterEllipsis] + a_n x_n == 0. FindIntegerNullVector[{x_1, x_2, ..., ...
StringMatchQ["string", patt] tests whether " string" matches the string pattern patt. StringMatchQ["string", RegularExpression["regex"]] tests whether " string" matches the ...
MeanDifferenceCI[list_1, list_2] gives a confidence interval for the difference between the population means estimated from list_1 and list_2.
SokalSneathDissimilarity[u, v] gives the Sokal\[Dash]Sneath dissimilarity between Boolean vectors u and v.