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HP HP-67 User Manual

HP HP-67
364 pages
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286
Card
Reader
Operations
You
have
seen
how
you
can
store
data
temporarily
or
permanently
on
magnetic
cards
with
the
HP-67.
Because
you
are
able
to
record
data
on
magnetic
cards,
the
storage
capacity
of
your
HP-67
is
increased
by 26
registers
on
each
card.
The
amount
of data
you want
to
store
is
limited
only
by
the
number
of
cards
you
have!
Now
let’s
see
how
you
can
load
the
contents
of
only
part
of
the
storage
registers
into
the
calculator
from
a
card
by
using
the
I-register
and
the
function.
Merged
Loading
of
Data
The
numbers
O
through
9
in
I,
when
used
as
an
address
for
merged
data,
refer
to
primary
storage
registers
R,
through
Ry.
The
numbers
10
through
19
refer
to
secondary
storage
registers
Rg,
through
Rg,
while
the
numbers 20
through
24
refer to registers
R,
through
Rg,
and
the
number
25
addresses
the
I-register
itself.
As
is
normal
for
I-register
operations,
only
the
absolute
value
of
the
integer
part
of
the
number
in
I is
significant
in
addressing.
Also,
if
the
absolute
value
of
the
number
in
I
is
26
or
greater,
all
registers will
be
read
in
just
as
in
an
unmerged
data
read.
However,
you
can
also
replace
the
contents
of
some
of
the
storage
registers
in
the
calculator
with
data
from
a
magnetic
card,
while
preserving
the
contents
of
the
rest
of
the
storage
registers.
To
load
only
a
portion
of
the
data
from
magnetic
card
into
the
calculator’s
storage
registers,
first
store
a
number
from 0
through
25
as
an
address
in
the
I-register.
Then
press
B3
(merge)
and
pass
the
card
containing
data
through
the
card
reader.
Data
will
be
loaded
from
the
card
into
the
storage
registers,
beginning
with
register
R,
and
continu-
ing
up
to
and
including
the
register
addressed
by
the
number
in
I.
When
using
your
HP-67
there
may
be
occasions
when
you
want
to
load
into
the
calculator
the
contents
of
only
some
of
the
storage
registers
recorded
on
a
card.
The
&l
function
and
the
I-register
permit
you
to
select
the
number
of
registers
that
you
want
to
load.
Normally,
when
a
magnetic
card
containing
data
is
passed
through
the
card
reader,
the
contents
of
all
primary
registers
and
all
secondary
registers
in
the
calculator
are
replaced
with
the
contents
of
the
data
card.

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HP HP-67 Specifications

General IconGeneral
BrandHP
ModelHP-67
CategoryCalculator
LanguageEnglish

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