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HP HP-25 User Manual

HP HP-25
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“rogramming
Now
all
you
have
to
do
to
calculate
the
area of
any
sphere
is
key
in
the
value
for
its
diameter
and
press
the
[EE)
(run/stop)
key.
When
you
press
[E5]
the
sequence
of
keystrokes
you
recorded
is
automatically
executed
by
the
calculator,
giving
you
the
same
answer
you
would
have
obtained
manually:
For
example,
to
calculate
the
area
of
Ganymede:
Press
Display
3200
3200.
[R5
32169908.78
Square
miles.
With
the
program
you
have
recorded,
you
can
now
calculate the
area
of
any
of
Jupiter’s
moons—in
fact,
of
any
sphere—using
its
diameter.
You
have
only
to
leave
the
calculator
in
RUN
mode
and key
in
the
diameter
of
each
sphere
that
you
wish
to
compute,
then
press
.
For
example,
to
compute
the
surface
area
of
Jupiter’s
moon
Io
with
a
diameter
of
2310
miles:
Press
Display
2310
16763852.56
Square
miles.
For
the
moons
Europa,
diameter
1950
miles,
and
Callisto,
diameter
3220
miles:
Press
Display
1950
11945906.07
Area
of
Europa
in
square
miles.
3220
32573289.27
Area
of
Callisto
in
square
miles.
Programming
the
HP-25is
that
easy!
The
calculator
remembers
a
series
of
keystrokes
and
then
executes
them
when
you
press
the
key.
The
early
portions
of
this
handbook
show
you
how
easy
it
is
to
manually
use
the
power
of
the
HP-25;
while
in
section
5,
Pro-
gramming,
you
will
find
a
complete
guide
to
HP-25
calculator
programming.
Even
if
you
have
used
other
pocket
calculators
or
programmed
large
computers,
you
will
want
to
take
a
good
look
at
this
handbook.
It
explains
the
unique
HP
logic
system
that
makes
simple
answers
out
of
complex
problems,
and
HP-25
features
that
make
programming
painless.
When
you
see
the
simple
power
of
your
HP-25,
you’ll
become
an
apostle
just
as
have
some
700,000
HP
calculator
owners
before
you.

Table of Contents

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HP HP-25 Specifications

General IconGeneral
BrandHP
ModelHP-25
CategoryCalculator
LanguageEnglish

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