LinkLaunch["prog"] starts the external program prog and opens a MathLink connection to it.
Listable is an attribute that can be assigned to a symbol f to indicate that the function f should automatically be threaded over lists that appear as its arguments.
MaxStepFraction is an option to functions like NDSolve that specifies the maximum fraction of the total range to cover in a single step.
NicholsPlot[g] gives the Nichols plot of a rational function g in one complex variable.NicholsPlot[sys] gives the Nichols plot of a TransferFunctionModel or StateSpaceModel ...
Panel
(Built-in Mathematica Symbol) Panel[expr] displays as a panel containing expr. Panel[expr, title] gives the panel the specified title. Panel[expr, title, pos] places title at a position specified by pos. ...
ParagraphIndent is an option for Cell which specifies how far in printer's points to indent the first line of each paragraph of text.
Prepend
(Built-in Mathematica Symbol) Prepend[expr, elem] gives expr with elem prepended.
RotateLeft[expr, n] cycles the elements in expr n positions to the left. RotateLeft[expr] cycles one position to the left. RotateLeft[expr, {n_1, n_2, ...}] cycles elements ...
Scaled
(Built-in Mathematica Symbol) Scaled[{x, y, ...}] gives the position of a graphical object in terms of coordinates scaled to run from 0 to 1 across the whole plot range in each direction. Scaled[{dx, dy, ...
SelectedNotebook[] gives the currently selected notebook in the front end.