PreferencesPath is a global option that specifies which directories are searched for user-specific settings when Mathematica is started.
Prefix
(Built-in Mathematica Symbol) Prefix[f[expr]] prints with f[expr] given in default prefix form: f@expr. Prefix[f[expr], h] prints as hexpr.
PrintPrecision is an option for selections that specifies the maximum number of digits used for displaying a machine-precision number.
QuotientRemainder[m, n] gives a list of the quotient and remainder from division of m by n.
RadicalBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for RadicalBox objects.
RawBoxes[boxes] is a low-level construct which is formatted as boxes without further interpretation.
RawData
(Built-in Mathematica Symbol) RawData[data] is a low-level representation of the contents of a cell in which Show Cell Expression has been toggled.
Record
(Built-in Mathematica Symbol) Record represents a record in Read, Find, and related functions.
RefreshRate is an option to Animate and related functions which specifies the refresh rate for frames in animations.
RemoveAlphaChannel[image] removes all opacity information from image.RemoveAlphaChannel[image, c] removes opacity by blending all pixels with the background color c.