To control the flow of program.

'GOTO' is jump command to specified line number.
Hereby, the control point can be moved to the specified point of list.

10 input s$
20 if s$="end" then end
30 goto 10

It is repeated until input word become 'end'
'END' is command which finish program.

Interruption of program.
It's possible to stop the program under execution by Stop-key.


The jump point can be specified with label.

10 point:
20 input s$
30 if s$="end" then end
40 goto point:

The label describe at the beginning of line
with putting ':' behind the label name like 'point:'.

GOTO Label-name
It's possible to jump to label position.