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Radio Shack TRS-80 PC-3 User Manual

Radio Shack TRS-80 PC-3
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CHAPTER 3
USING
THE
PC-3
AS
A CALCULATOR
Now
that
you
are familiar with
the
layout
and
components
of
the
Radio
Shack
PC·3, we will begin investigating
the
exciting
capabilities
of
your
new
computer.
Because
the
PC·3 allows
you
the
full range
of
calculating
functions,
plus
the
increased
power
of
BASIC programming abilities
(useful
in
more
complex
calculation),
it
is
commonly
referred
to
as
a
"smart"
calculator.
That,
of
course,
makes
you
a
"smart"
user!
(Before using
the
PC·3, be sure
that
the
batteries are
correctly
installed.)
Start
Up
To
turn
ON
the
PC·3, slide
the
power
switch
up
and select
one
of
three
modes:
RUN, PRO,
or
RSV.
For
use as a calculator,
the
PC-3
must
be
in
the
RUN
mode.
When
the
machine
is
ON,
the
prompt
(»
will
appear
on
the
display.
Shut Down
To
turn
OFF
the
PC·3, slide
the
power
switch
to
the
OFF
position.
When
you
turn
OFF
the
machine,
you
clear (erase)
the
display. However,
the
PC·3 does
remember
all
programs, reserve keys, and
mode
settings which were
in
use when
the
computer
was
turned
OFF.
All
of
these settings are still
in
effect
when
the
machine
is
turned
back
ON.
When
the
BEEP
instruction
or
CLOAD
command
is
executed,
stop
the
execution
by pressing
the
~
key and slide
the
power
switch
to
the
OFF
position.
23

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Radio Shack TRS-80 PC-3 Specifications

General IconGeneral
BrandRadio Shack
ModelTRS-80 PC-3
CategoryCalculator
LanguageEnglish

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