calc: Standalone Operation

 
 1.5.5 Standalone Operation
 --------------------------
 
 If you are not in Emacs at the moment but you wish to use Calc, you must
 start Emacs first.  If all you want is to run Calc, you can give the
 commands:
 
      emacs -f full-calc
 
 or
 
      emacs -f full-calc-keypad
 
 which run a full-screen Calculator (as if by ‘C-x * b C-x * c’) or a
 full-screen X-based Calculator (as if by ‘C-x * b C-x * k’).  In
 standalone operation, quitting the Calculator (by pressing ‘q’ or
 clicking on the keypad <EXIT> button) quits Emacs itself.