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HP HP-25 User Manual

HP HP-25
131 pages
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So,
means
square
root
of
the
displayed
number,
means
1
displayed
number
elc.
Thus,
to
calculate
36:
Press
Display
3
3.00
6
X,
the
displayed
number,
is
now
6.
729.00
The
answer.
Now
try
the
following
problems
using
the
[0
]key,
keeping
in
mind
the
simple
rules
for
two-number
functions:
16*
(16
to
the 4th
power)
=
81>
(81
squared)
(You
could
also
have
done
this
as
a
one-number
function
using
.)
2255
(Square
root
of
225)
=
(You
could
also
have
done
this
as
a
one-number
function
by
using
J)
216
(2
to
the
16th
power)
=
16-2%
(4th
root
of
16)
=
Chain
Calculations
The
speed
and
simplicity
of
operation
of
the
HP-25’s
Hewlett-
Packard
logic
system
become
most
apparent
during
chain
cal--
culations.
Even
during
the
longest
of
calculations,
you
still
per-
Sformonly
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
calculation.
This

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HP HP-25 Specifications

General IconGeneral
BrandHP
ModelHP-25
CategoryCalculator
LanguageEnglish

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