Quiet
(Built-in Mathematica Symbol) Quiet[expr] evaluates expr "quietly", without actually outputting any messages generated.Quiet[expr, {s_1::t_1, s_2::t_2, ...}] quietens only the specified messages during ...
QuotientRemainder[m, n] gives a list of the quotient and remainder from division of m by n.
RandomPermutation[gr] gives a pseudorandom permutation in the permutation group gr.RandomPermutation[gr, n] gives a list of n pseudorandom permutations in the permutation ...
Record
(Built-in Mathematica Symbol) Record represents a record in Read, Find, and related functions.
ReflectionMatrix[v] gives the matrix that represents reflection of points in a mirror normal to the vector v.
ScalingMatrix[{s_x, s_y, ...}] gives the matrix corresponding to scaling by a factor s_i along each coordinate axis.ScalingMatrix[s, v] gives the matrix corresponding to ...
ScrollingOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for notebooks that specifies settings for scrolling.
SetAttributes[s, attr] adds attr to the list of attributes of the symbol s.
SplineKnots is an option for B-spline functions and graphics primitives that specifies the positions of knots.
StringForm["controlstring", expr_1, ...] prints as the text of the controlstring, with the printed forms of the expr_i embedded.