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HP HP-11C User Manual

HP HP-11C
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52
Section
3:
Numeric
Functions
Rectangular
Conversion.
Press-
ing
[f]
(rectangular)
converts
T
values
in
the
X-
and
Y-registers
Z
representing
polar
coordinates
(mag-
nitude
r,
angle
),
to
rectangular
Y=
.—»
—_—
z
0
coordinates
(x,
y).
X=>
,
_—J_[:
Keys
¥
Example
.
To
Convert
Keys
t:)okes
Display
Rectangular
coordinates
to
polar:
y
5
5.0000
X
10
10
r
11.1803
0
26.5651
Polar
coordinates
to
rectangular:
0
30
30.0000
r
12
12
X
10.3923
y
6.0000
Probability
Permutation.
Pressing
calculates
the
number
of
possible
arrangements
of
y
different
items
taken
in
quantities
of
x
items
at
a
time,
where
different
orders
of
the
same
x
items
are
counted
separately.
(No
item
occurs
more
than
once
in
an
arrangement.)
calculates
permutations
by
the
following
formula:
y!
PE
(y—x)

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HP HP-11C Specifications

General IconGeneral
BrandHP
ModelHP-11C
CategoryCalculator
LanguageEnglish

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