Doing this task interactively, you can:
- Click on the Cols pull down menu and select "New Column"
- Click on the 20th cell in the I column
- Right click and select copy
- Now click on the first cell in the new column
- Right click and select paste
Using JSL
Names Default To Here( 1 );
dt = Current Data Table();
dt << New Column( "the new column" );
dt:the new column[1] = dt:i[20];
Jim