QHypergeometricPFQ[{a_1, ..., a_r}, {b_1, ..., b_s}, q, z] gives the basic hypergeometric series \[Null]_r \[Phi]_s (a; b; q; z).
RefreshRate is an option to Animate and related functions which specifies the refresh rate for frames in animations.
ReturnPacket[expr] is a MathLink packet that contains the expression expr, the result of an EvaluatePacket evaluation.
RussellRaoDissimilarity[u, v] gives the Russell\[Dash]Rao dissimilarity between Boolean vectors u and v.
SelectComponents[m, " prop", crit] computes a property " prop" for all components in a label matrix m and returns a version of m in which components that do not satisfy crit ...
ShowCellTags is an option for Cell that specifies whether to display tags for a cell.
Sin
(Built-in Mathematica Symbol) Sin[z] gives the sine of z.
SokalSneathDissimilarity[u, v] gives the Sokal\[Dash]Sneath dissimilarity between Boolean vectors u and v.
SpellingCorrection is an option for StringMatchQ, Names, and related functions that specifies whether strings should be considered to match even when a small fraction of the ...
SplineClosed is an option for B-spline functions and graphics primitives that specifies whether spline curves or surfaces should be closed.