RiemannR[x] gives the Riemann prime counting function R(x).
RulerUnits is an option for notebooks that specifies the units in the ruler toolbar.
StartScheduledTask[obj] starts the task represented by obj.
StringSkeleton[n] represents a sequence of n omitted characters in a string printed with Short. The standard print form for StringSkeleton is an ellipsis.
Thinning[image] finds the skeletons of foreground regions in image by applying morphological thinning until convergence.Thinning[image, n] performs n iterations of ...
TopHatTransform[image, ker] gives the morphological top-hat transform of image with respect to structuring element ker.TopHatTransform[image, r] gives the top-hat transform ...
Create a Slide Show Create a Lecture Notebook Style and Format Notebooks
Copy As opens a submenu to copy a selection and convert it to the specified format.
BoxData
(Built-in Mathematica Symbol) BoxData[boxes] is a low-level representation of the contents of a typesetting cell.
CellEpilog is an option for Cell which gives an expression to evaluate after each ordinary evaluation of the contents of the cell.