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HP HP-11C User Manual

HP HP-11C
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Section
3:
Numeric
Functions
49
Pressing
Calculates
(g][HYPT](cOS]
Inverse
hyperbolic
cosine
(cosh™’)
Hyperbolic
tangent
(tanh)
(g][HYPT](TAN]
Inverse
hyperbolic
tangent
(tanh’)
Example
.
To
Calculate
Keystrokes
Display
All
hyperbolic
functions;
for
example:
Hyperbolic
sine
2.53
2.53
(f)(HYP](SIN]
6.2369
Inverse
hyperbolic
sine
1.95
1.95
1.4210
Two-Number
Functions
Your
HP-11C’s
two-number
math
functions
use
the
values
in
the
displayed
X-register
and
in
the
Y-register
to
calculate
a
result.
To
use
any
of
these
functions,
key
in
the
Y-register
value
first,
press
to
lift
the
value
into
the
Y-register,
key
in
the
displayed
X-register
value,
then
execute
the
function.
Exponential
Pressing
[y*]raises
the
number
in
the
Y-register
to
the
power
of
the
number
in
the
X-register.
Example
To
Calculate
Di
"
Keystrokes
isplay
Exponential
2
2.0000
3
3
8.0000
Percentages
Percent.
To
find
a
specified
percentage
of
a
number:
1.
Keyin
the
base
number.
2.
Press[ENTER].
3.
Keyin
the
percent
rate.
4.
Press(9](%].

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HP HP-11C Specifications

General IconGeneral
BrandHP
ModelHP-11C
CategoryCalculator
LanguageEnglish

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