AppendTo[s, elem] appends elem to the value of s, and resets s to the result.
PrependTo[s, elem] prepends elem to the value of s, and resets s to the result.
StringCount["string", " sub"] gives a count of the number of times " sub" appears as a substring of " string". StringCount["string", patt] gives the number of substrings in " ...
MultivariateSkewness[matrix] gives a multivariate coefficient of skewness for matrix.
CellFrame is an option for Cell which specifies whether a frame should be drawn around a cell.
ImageClip[image] clips all channel values in image to lie in the default range.ImageClip[image, {min, max}] clips channel values to lie in the range from min to ...
Names
(Built-in Mathematica Symbol) Names["string"] gives a list of the names of symbols which match the string. Names[patt] gives a list of names matching the arbitrary string pattern patt.
LogNormalDistribution[\[Mu], \[Sigma]] represents a lognormal distribution derived from a normal distribution with mean \[Mu] and standard deviation \[Sigma].
CompleteKaryTree[n] gives the complete binary tree with n levels.CompleteKaryTree[n, k] gives the complete k-ary tree with n levels.
KaryTree[n] gives a binary tree with n vertices.KaryTree[n, k] gives a k-ary tree with n vertices.