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12
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What is the Direct Mode?
Using the
computer
like an electronic
calculator
is
possible if
re¬
quired. This kind of operation is called "Direct
Mode".
Like the electronic calculator,
key-in 5
+
8
=.
To
key-in the
press the key while
holding down
the
SHIFT
key.
In
fact, however, the
computer
displays the characters
on
the CRT
screen only as keyed-in, and of course, no
calculation
is
executed even
with the CR key depressed. Here lies the difference between
your
computer
and
the
electronic calculator. Your
computer
requires
an
instruction
of
what
should be done about 5 + 8 =.
Teacher.
"Do"
means "delete", "copy"
"calculate" or "write the calculation results"?
There
>s
no
way
to
do
them
unless
they
are
specified.
Teacher For I can
do
many
things
PRINT
To
use the
computer
in
the
same manner
as the
electronic calculator, the computation of 5
+
8 is
required
to
be
displayed
on
the CRT screen. For
this,
there is the
PRINT command available
as an
instruction. Using this command,
let's press the keys in the following order
to
transfer
the instructions.
EEOTSIIISEICR
As the keys are
depressed, the characters below will be displayed
on
the CRT screen.
Ready
.....
Meaning
"Go ahead with
your
work".
PRINT 5+8
Display the computation of 5
+ 8.
and
with the
jCR1
key pressed indicating the end
of a
command.
13
This
is the executed
result of the command.
Ready
What is
to
be
done next?
35
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