CoefficientArrays[polys, vars] gives the arrays of coefficients of the variables vars in the polynomials polys.
ContentSelectable is an option to constructs such as Inset, Graphics, and GraphicsGroup that specifies whether and how content within them should be selectable.
DirectoryQ["name"] gives True if the directory with the specified name exists, and gives False otherwise.
x /= c divides x by c and returns the new value of x.
Evaluator is an option for objects such as Button, Dynamic, and Cell that gives the name of the kernel to use to evaluate their contents.
ImageReflect[image] reverses image by top-bottom mirror reflection. ImageReflect[image, side] reverses image by reflecting it so that the specified side goes to the opposite ...
InterpolationPoints is an option to SmoothKernelDistribution and FunctionInterpolation that specifies the initial number of interpolation points to use.
LanguageCategory is an option for Cell that determines in what category of language the contents of the cell should be assumed to be for purposes of spell checking and ...
LongestCommonSequence[s_1, s_2] finds the longest sequence of contiguous or disjoint elements common to the strings or lists s_1 and s_2.
MaxMemoryUsed[] gives the maximum number of bytes used to store all data for the current Mathematica session.