System Command BOX
From NARS2000
The )BOX command is used to turn ON/OFF the appearance of a box around output. There are several forms:
)BOX Is OFF
and
)BOX on Was OFF
(or)
)BOX off Was ON
For example:
)BOX on Was OFF ⍳3 ┌3─────┐ │ 1 2 3│ └~─────┘ ⍳2 3 ┌3─────────────────┐ 2┌2───┐┌2───┐┌2───┐│ ││ 1 1││ 1 2││ 1 3││ │└~───┘└~───┘└~───┘│ │ │ │┌2───┐┌2───┐┌2───┐│ ││ 2 1││ 2 2││ 2 3││ │└~───┘└~───┘└~───┘2 └∊─────────────────┘