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HP HP-25 User Manual

HP HP-25
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Page #49 background image
T
16.00
17
and
11
are
added
together
z
16.00
and
the
rest
of
the
stack
Y
30.00
drops.
16
drops
to
Z
and
is
X
28.00
alsoduplicatedin
T. 30
and
-
28areready
to
be
added.
T
16.00
30and28are added
together
z
Té:bz
and
the
stack
drops
again.
Y
16.00
Now
16
and
58
are
ready
to
X
5800
beadded.
T
16.00
Z
16.00
16
and
58
are
added
together
Y
16.00
for
the
final
answer
and
the
X
74.00
stack
continues
to
drop.
The
same
dropping
action
also
occurs
with[=],[x]and
[£].
The
number
in
T
is
duplicated
in
T
and
Z,
the
number
in
Z
drops
to
Y,
and
the
numbers
in
Y
and
X
combine
to
give
the
answer,
which
is
visible
in
the
X-register.
This
automatic
lift
and
drop
of
the
stack
give
you
tremendous
computing
power,
since
you
can
retain
and
position
inter-
mediate
results
in
long
calculations
without
the
necessity
of
reentering
the
numbers.
Order
of
Execution
When
you
see
a
problem
like
this
one:
Sx[B+4—-(5+2)+@x3)]+(3x.213,
you
must
decide
where
to
begin
before
you
ever
press
a
key.
Hewlett-Packard
applications
engineers
have
determined
that
by
starting
every
problem
at
its
innermost
number
or
paren-
theses
and
working
outward,
you
maximize
the
efficiency
and
power
of
your
HP
calculator.
Of
course,
with
the
HP-25
you
have
tremendous
versatility
in
the
order
of
execution.

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HP HP-25 Specifications

General IconGeneral
BrandHP
ModelHP-25
CategoryCalculator
LanguageEnglish

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