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HP HP-25 User Manual

HP HP-25
131 pages
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@Enter
exponent.
After
pressing,
next
numbers
keyed
in
are
exponents
of
10
(page
31).
Radians.
Sets
radians
mode
for
trigonometric
functions
(page
59).
Clear
stack.
Replaces
contents
of
X-, Y-,
Z-,
and
T-
registers
with
zeros
(page
37).
Clear
x.
Clears
the
displayed
X-
register
to
zero
(page
15).
[GRD]
Grads.
Sets
grads
mode
for
trigonometric
functions
(page
59).
(-]
[=]
Arithmetic
operators
(page
16).
[E]
Natural
logarithm.
Computes
natural
logarithm
(base
e,
2.718.
.
.)
of
value
in
displayed
X-register
(page
63).
Natural
antilog.
Raises
e
(2.718.
.
)
to
the
power
of
value
in
displayed
X-register
(page
63).
Common
logarithm.
Computes
common
logarithm
(base
10)
of
value
in
displayed
X-register
(page
63).
Common
antilogarithm.
Raises
10
to
the
power
of
number
in
displayed
X-register
(page
63).
Rectangular
coordinate
conversion.
Converts
polar
magnitude
and
angle
in
X-
and
Y-
registers
to
rectangular
x
and
y
coordinates
(page
62).
Polar
coordinate
conversion.
Converts
X,
y
rectangular
coordinates
placed
in
X-
and
Y-registers
to
polar
magnitude
and
angle
(page
62).
[sin]
Sine,
cosine,
and
tangent.
Calculate
the
sine,
cosine, or
tangent
of
value
in
displayed
X-register
(page
59).
Arc
sine,
arc
cosine,
arc
tangent.
Calculate
inverse
trigonometric
function
of
value
in
display
(page
59).
["TJinteger.
Leaves
only
integer
portion
of
number
in
displayed
X-register
by
truncating
fractional
portion
(page
51).
Fraction.
Leaves
only
fractional
portion
of
number
in
displayed
X-register
by
truncating
integer
portion
(page
51).
Computes
square
root of
number
in
displayed
X-register
(page
52).
[
Jcomputes
square
of
numberindisplayed
X-register
(page
53).
Raises
number
in
Y-register
to
the
power
of
the
number
in
the
displayed
X-register
(page
64).
Absolute.
Gives
the
absolute
value
of
the
displayed
number
(page
51).
Converts
displayed
decimal
hours
or
degrees
to
hours,
minutes,
seconds
format
(page
60).
@
Converts
displayed
value
in
hours,
minutes,
seconds
format
to
decimal
hours
or
degrees
(page
60).
Recalls
number
displayed
before
the
previous
operation
back
into
the
displayed
X-register
(page
49).
Pi.
Places
value
of
pi
(3.14159.
.
)
into
displayed
X-
register
(page
53).

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HP HP-25 Specifications

General IconGeneral
BrandHP
ModelHP-25
CategoryCalculator
LanguageEnglish

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