Select the next-higher subexpression by pressing Ctrl+.. Press Ctrl+. repeatedly. Get rid of the contents of an expression and destructure it by pressing Del (or Backspace).
PaneSelector[{v_1 -> expr_1, v_2 -> expr_2, ...}, v] represents an object that displays as a pane containing the expr_i for which v_i is equal to v.
SelectionEvaluate[notebook] replaces the current selection in a notebook with the result obtained by evaluating the contents of the selection in the kernel. ...
Lists are widely used in Mathematica, and there are many ways to construct them. Some explicit ways to construct lists. This gives a table of the first five powers of 2.
SelectionCreateCell[notebook] copies the contents of the current selection in a notebook into a new cell. SelectionCreateCell[notebook, sel] sets the current selection after ...
SQLSelect selects and returns data from a database. An alternative, using raw SQL, is described in "Selecting Data with Raw SQL". If you find that the examples in this ...
SelectionEvaluateCreateCell[notebook] takes the current selection in a notebook and creates a new cell containing the result obtained by evaluating the contents of the ...
MATHEMATICA HOW TO Tutorials » Image Processing Convolutions and Correlations See Also » ImageCrop ImageTake More About » Raster Image Formats Signal Processing "How to" ...
Extend Selection highlights the smallest subexpression containing the selection.
Print Selection prints a selection.