COMMANDS:



MOST COMMANDS MUST BE FOLLOWED BY A SPACE



*** DIRECT COMMANDS ARE TYPED WITHOUT LINE NUMBERS AND FOCAL
EXECUTES THEM AS SOON AS THE RETURN BUTTON IS HIT --- FOR EXAMPLE:


*TYPE 3+4          (CAUSES FOCAL TO TYPE A 7)


                   (OR SEVERAL COMMANDS MAY BE GIVEN IN SEQUENCE:)
*SET X=3
*SET Y=2
*TYPE 3+X+Y,!
   8.0000
*



*** INDIRECT COMMANDS ARE USED FOR LONGER PROGRAMS.  THEY ARE
TYPED FOLLOWING LINE NUMBERS AND MAY BE EXECUTED BY A DIRECT 'GO':


*2.1 SET X=3
*2.2 SET Y=2
*2.3 TYPE 3+X+Y,!
*GO
   8.0000
*


EXAMPLES OF EACH ARE GIVEN FOLLOWED BY THE GENERAL FORM IN WHICH:

  <REQUIRED TERMS> ARE ENCLOSED IN ANGLE BRACKETS.
  [OPTIONAL TERMS] ARE ENCLOSED IN SQUARE BRACKETS.
  (COMMENTS) ARE ENCLOSED IN PARENTHESES.
  A, B, C, X, Y,  AND Z ARE VARIABLES.
  L1, L2 AND L3 ARE LINE NUMBERS.
  G1 STANDS FOR A GROUP OR LINE NUMBER
  IN MOST CASES, GROUP AND LINE NUMBERS MAY BE REPLACED BY VARIABLES.