CopyEvaluateCell ButtonStyle
The bottom button in the sample palette has the "CopyEvaluateCell" ButtonStyle. If you select 15 in the next cell and press the bottom button, a new input cell containing (15+1) will be inserted below the original input, and the new input cell will evaluate. After evaluation is finished the resulting output expression will be selected. The results are similar if a part of an output cell is selected.
Created by Mathematica (May 16, 2004)