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HP 25 User Manual

HP 25
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82
Programming
Displaying a Particular Step
If
you
want
to
see
one
of
the
later
steps
of
your
program,.
is
not
convenient.
To
display
a particular
step
of
program
memory
use
the
mm
key
with
the
PRGM-RUN
switch
set
to
RUN
PRGM"
RUN
. Simply
press
mm
and
then
key
in
the
desired
two-
digit
step
number.
Then
set
the
PRGM-RUN
switch
to
PRGM
PRGM~RU
N
and
the
contents
of
the
specified
step
will be
displayed.
For
example
, to
see
step
lOin
the
previous
program,
s
et
the
PRGM-RUN
switch
to
RUN
PRGM"
R
UN
and
press
mm
[]]
@].
Then
switch
back
to
PRGM
mode
PRGM~RUN.
The
display
will show:
I
10
06
When
using the
mmkey
in
this
way
,
always
use two digits for
designating
step
numbers.
For
instance
, to see
step
6
you
must
press
mm
@]
~
in
RUN
mode
and
then
switch
back
to
PRGM
mode.
If
the first digit key following
mmis
greater
than
four
,
themIil
key is ignored
and
the
number
is
keyed
into
the
X-register.
Similarly, if
one
of
the
two
keys
followingmm
is
not
a digit
key
,
the
mmkey
is
ig
nored
and
the
operation
associated
with the
invalid key is
performed
.
Interrupting Program Execution
From
time to time
you
will
want
a
program
to s
top
execution
by
it
s
elf
so
that
you
can
enter
new
dat
a
or
view an
intermediate
result.
There
are
two
operations
on
your
H P-25
calculator
that
will
automatically
interrupt
progr
am exe
cution
when
they
are
encountered
as
program
in
s
truction
s:
~
and D 1
PAUSE
I.

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HP 25 Specifications

General IconGeneral
Power SourceRechargeable battery pack
Programming Steps49
Release Year1975
FunctionsTrigonometric, logarithmic, statistical
TypeScientific
Dimensions148 x 80 x 14 mm

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