PasteButton[expr] represents a button that pastes expr whenever it is pressed. PasteButton[label, expr] displays with label on the button.
PaulWavelet[] represents a Paul wavelet of order 4.PaulWavelet[n] represents a Paul wavelet of order n.
Pause
(Built-in Mathematica Symbol) Pause[n] pauses for at least n seconds.
PeronaMalikFilter[image] applies a Perona\[Dash]Malik diffusion filter to image.PeronaMalikFilter[image, t] specifies the amount of diffusion t to be applied. ...
ReturnTextPacket[string] is a MathLink packet containing string, the result of an EnterTextPacket evaluation.
RowAlignments is an option for the low-level function GridBox that specifies how entries in each row should be aligned.
SampleDepth is an option for sound primitives that specifies how many bits should be used to encode sound amplitude levels.
ScalingFunctions is an option for BarChart, Histogram, and other charting functions that specifies what scaling functions should be used.
ScreenStyleEnvironment is an option for notebooks that specifies the style environment to be used in displaying a notebook on the screen.
ScriptLevel is an option for selections that is used in determining the font size of modifiers such as subscripts and superscripts in a nested expression.