Compute or recompute a selection of execution groups in your worksheet.

Select the execution groups.

From the Evaluate menu, select Execute Selection.

Alternately, select the execution groups and click the execute selection icon ( ).

Note: You may find a 2-D Math expression is executed accidentally, resulting in an error message (if it is not valid Maple syntax) or unwanted output.  For such an expression, use nonexecutable math.  For more information, see Executable and Nonexecutable Math.