WilliamsAccumulationDistribution
Abort Evaluation aborts the current evaluation.
About Mathematica opens a notebook containing information about Mathematica.
Active toggles a cell between active and inactive states.
Add Column adds a column at the cursor's insertion point in a table or matrix.
Add Row adds a row at the cursor's insertion point in a table or matrix.
Cell with Same Style creates a cell below the current cell with the same cell style.
Close All Subgroups closes all groups in a selection.
Debugger opens the control palette for the debugger.
Delete All Output deletes all output cells in the current notebook.