Check
(Built-in Mathematica Symbol) Check[expr, failexpr] evaluates expr, and returns the result, unless messages were generated, in which case it evaluates and returns failexpr. Check[expr, failexpr, ...
CovarianceEstimatorFunction is an option for generalized linear model fitting functions that specifies the estimator for the parameter covariance matrix.
DamerauLevenshteinDistance[u, v] gives the Damerau\[Dash]Levenshtein distance between strings or vectors u and v.
EdgeForm[g] is a graphics directive which specifies that edges of polygons and other filled graphics objects are to be drawn using the graphics directive or list of ...
ExponentFunction is an option for NumberForm and related functions that determines the exponent to use in printing approximate real numbers.
FaceGrids is an option for three-dimensional graphics functions that specifies grid lines to draw on the faces of the bounding box.
FiniteAbelianGroupCount[n] gives the number of finite Abelian groups of order n.
Magnification is an option for Style and Cell that specifies what magnification to use for display.
OrderedQ[h[e_1, e_2, ...]] gives True if the e_i are in canonical order, and False otherwise.
OutputSizeLimit is an option for notebooks which specifies the maximum size in bytes of expressions that will automatically be output in their entirety.