54
CHAPTER
4
Programming
with
BASIC
Language
In either case, always press
the~
key after correcting since corrections will
not
be made unless this key
is
pressed.
*Press~cillJto
display and correct the line immeriiately before a line being dis-
played.
*If
there are additional programs following the corrected line in the case
of
2),
the
next
line will be displayed when
~
is
pressed.
If
no other correction
is
required, press the
~
key
to
clear the display.
• Addition
and
Deletion
of
Lines
1) To add a lirie, simply input it after clearing the display by pressing
the~
key
in
the
WRT mode.
If
a line
is
input
with an already used line number, this line
will have priority and the previously stored line will be erased.
2) To delete a line, enter the line number to be deleted after clearing the display
with the
~
key and press
~
.
• Erasing Programs
1) To erase a program in the currently specified program area, enter
NEW~
in
the WRT mode.
2) To erase
the
programs in all program areas
(PO~
P9) and
all
data
at
one time,
enter
NEW
ALL~
in the WRT mode.
*The stored program will be retained even when the power
is
turned off.
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