Texas Instruments TI Programmable 57 User Manual

SECTION 2: ADVANCED/
“SLIDE RULE” KEYS
—
“INTEGER
Part
or
A
Number”
Key
SEQueNcE
This
key
sequence
displays
the
integer
part
of
any
number
in
the
display.
For
example,
if
you
enter
the
number
3.1117
into
the
display,
and
press
the
[2nd)
Hl
key
sequence,
the
calculator
“chops
off’’
everything
to
the
right
of
the
decimal
point
and
displays
only
the
integer
3.
(Try
it!)
There
are
many
situations
in
mathematics
where
you'll
find
yourself
needing
to
deal
with
just
the
integer
part
of
a
number.
In
programming
you'll
find
this
key
sequence
very
handy
for
handling
these
situations,
[INV]
tint
|
—FRACTIONAL
Part
or
A
Number”
Key
SEQUENCE
There
are
some
instances
in
math
and
programming
where
you
need
to
deal
only
with
the
decimal
part
of
a
number,
and
need
to
isolate
it.
This
key
sequence
displays
the
fractional
or
decimal
part
of
any
number
in
the
display.
So
if
you
enter
3.1117,
and
press
the
[2nd]
(iW)
MII
key
sequence,
0.1117
will
be
displayed.
The
following
diagram
summarizes
these
two
key
sequences:
3.1117.
(number
in
the
display)
(2nd) (inv) Lit]
Displays
decimal
part
Displays
integer
part
3 0.1117
Note:
The
original
number
is
lost
when
Ml
or
[INV]
IM
is
used
—
store
it
first
if
you'll
need
it
later.

Texas Instruments TI Programmable 57 Specifications

General

Brand	Texas Instruments
Model	TI Programmable 57
Category	Calculator
Language	English