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HP HP-25 User Manual

HP HP-25
131 pages
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Page #23 background imageLoading...
Page #23 background image
ting
Startec
ting
otariecd
system
makes
the
process
of
working
through
a
problem
as
natural
as
it
would
be
if
you
were
working
it
out
with
pencil
and
paper,
but
the
calculator
takes
care
of
the
hard
part.
For
example,
solve
(12
+
3)
X
7.
If
you
were
working
the
problem
with
a
pencil
and
paper,
you
would
first
calculate
the
intermediate
result
of
(12
+
3).
. .
.
243X
T
=
=3
.
and
then
you
would
multiply
the
intermediate
result
by
7.
(42—+3yrx
7=
105
/5
X
7
You
work
through
the
problem
exactly
the
same
way
with
the
HP-25,
one
operation
at
a
time.
You
solve
for
the
intermediate
result
first
.
.
.
(12
+
3)
Press
Display
12
12.
12.00
;
15.00
Intermediate
result
.
. .
and
then
solve
for
the
final
answer.
You
don’t
need
to
press
to
store
the
intermediate
result—the
HP-25
auto-
matically
stores
it
inside
the
calculator
when
you key
in
the
next
number.
To
continue.
.
. .
Press
Display
7
The
intermediate
result
from
the
pre-
ceding
operation
is
automatically
stored
inside
the
calculator
when
you
key
in
this
number.
105.00
Pressing
the
function
key
multiplies
the
new
number
and
the
intermediate
result,
giving
you
the
final
answer.

Table of Contents

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HP HP-25 Specifications

General IconGeneral
BrandHP
ModelHP-25
CategoryCalculator
LanguageEnglish

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