The ‘Paste Special’ option is worth
knowing about. You use it instead
of 'Paste'. After you have copied
a range you can either ‘right-click'
the mouse to get the submenu or
use 'Edit' on the main Menu bar.
One option that is occasionally
handy is the 'values' option. This
replaces a formula with its numerical
value (if you don't understand what
I mean, try it!).