How to add cells:
1. Tap a cell to select it. In the Home tab, swipe left and tap Insert.
2. In the Insert menu, tap Cells.
3. Choose between Shift cells right or Shift cells down to determine the position of your new cell.
How to delete cells:
1. Tap a cell to select it. In the Home tab, swipe left and tap Delete.
2. In the Delete menu, tap Cells.
3. Choose between Shift cells left or Shift cells up to determine the position of your new cell.