You may remove any quantities not relevant for you by choosing Remove Quantity from the Options menu.  Once removed, a quantity can’t be resurrected unless it has previously been exported.  Refer to chapter 6 on exporting quantities for details.  To remove a quantity, select the quantity that you wish to remove from the Quantities List. When  the dialog box appears, choose Remove Quantity from the Options menu.  Finally, click the Remove button to remove the quantity.