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HP HP-67 User Manual

HP HP-67
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34
Getting
Started
Now
try
the
following
problems
using
the(®) key,
keeping
in
mind
the
simple
rules
for
two-number
functions:
16*
(16
to
the
4%
power)
=
65536.00
81%
(81
squared)
=
6561.00
(You
could
also
have
done
this
as
a
one-
number
function
using
&)
225
(Square
root
of
225)
=
15.00
(You
could
also
have
done
this
as
a
one-
number
function
using
)
216 (2
to
the
16%
power)
=
1625
(4t
root
of
16)
=
Chain
Calculations
The
speed
and
simplicity
of
operation
of
the
Hewlett-Packard
logic
system
become
most
apparent
during
chain
calculations.
Even
during
the
longest
of
calculations,
you
still
perform
only
one
operation
at
a
time,
and
you
see
the
results
as
you
calculate—the
Hewlett-Packard
automatic
memory
stack
stores
up
to
four
intermediate
results
inside
the
calculator
until
you
need
them,
then
inserts
them
into
the
calcu-
lation.
This
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)...
1
X7
=
e
...and
then
you
would
multiply
the
intermediate
result
by
7.
(273
X
7
=105
ISx7
=/0%

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HP HP-67 Specifications

General IconGeneral
BrandHP
ModelHP-67
CategoryCalculator
LanguageEnglish

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