Texas Instruments TI Programmable 57 User Manual

Se
eee
A
FIRST
LOOK
AT
THE
TI PROGRAMMABLE 57
Se
ConGRATULATIONS!
In
this
little
example,
you
have
already
covered
many
of
the
key
points
that
make
your
programmable
calculator
easy
and
fun
to
use:
¢
The
[RN]
key
lets
you
“teach
the
calculator’.
(You
can
teach
it
up
to
50
steps,
and
there
is
a
lot
it
can
learn
—
any
of
those
“steps”
is
usually
equivalent
to
any
keystroke,
but
some
steps
can
involve
two
or
more
keystrokes.)
*
The
Ist]
key
starts
things
back
at
the
beginning.
*
The
4)
key
allows
you
to
control
the
action
—
stoppingand
starting
where
you
please.
Makinc Tracks
One
way
of
looking
at
how
the
calculator
works
is
to
think
of
it
as
q
little
“railroad”
—
where
you
can
“make
tracks"
for
the
machine
to
follow:
Take the number
in the display
Pause and let's
see the result
2eg 0 hens eeew
Go back and do
it again (reset)
* a s | a iS
The
“train”
on
this
track
has
a
special
name
—
the
"'Pointer’”’
(or,
more
technically,
the
program
pointer),
Each
time
this
train
passes
an
operation,
the
calculator
follows
the
instruction
or
performs
the
operation
listed.
The
calculator
in
effect
pushes
its
own
buttons
for
you
—
in
the
exact
sequence
you
tell
it.
When
you
push
the
@il
key
(or
the
train
comes
to
St)
as-part
of
a
program),
the
train
immediately
goes
back
to
the
beginning
—
to
the
first
step
(step
number
00),
and
starts
over.
To
get
the
“train”
moving,
or
to
stop
it
once
it’s
moving,
you
just
use
the
(‘run/stop")
key.
1-4

Texas Instruments TI Programmable 57 Specifications

General

Brand	Texas Instruments
Model	TI Programmable 57
Category	Calculator
Language	English