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Getting Started
23
It is this unique
system
that
gives
you
all
these
calculating ad-
vantages whether
you're
writing keystrokes for an HP-25 pro-
gram
or
using
the HP-25 under manual control:
•
You
never ha
ve
to
work
with
more
than
one function at .a
time
.
The HP-25 cuts problem
s
down to size instead of
making them more complex
.
•
Pressing afunction
key immediately executes the
function.
You work naturally through
complicated
problems, with
fewer keystrokes and
less
time
spent.
•
Intermediate
results appear
as
th
ey
are calculated. There
are
no
,.
hidden
" calculations,
and
you can check each step
as
you go.
•
Intermediate results
are
automatically
handled.
You don 't
have to write down long intermediate
answers
when
you
work a problem.
•
Intermediat
e
answers are automatically
inserted
into
the
problem
on a
la st-in, first-out
basis. You
don
'
t have to
remember
where
they are and then summon them.
•
You
can
ca lculate
in th
e same
order
yo
u
do
with
pencil and
paper. You don 't have to think the problem through ahead
of
time
.
The HP system takes a few minute
s
to
learn.
But you'll
be
amply
rewarded by the
ease with which
the HP-25 solves the
longest,
most
complex equations. With
HP
, the
in vestment
of
a
few moments of learning
yields
a
lifetime
of
mathematical
bliss.
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