Casio CFX-9800G-w Owners Manual - Page 53
Coordinate, Conversion
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2-7 Coordinate Conversion •Rectan§ular Coordinates P(x,y) Pol Rec •Polar Coordinates, ' Y P(r,e) Calculation results are stored in value memories I and J. I J Rol r 0 Rec x y •With' polar coordinates, 0 can be calculated and displayed within a range of -180°
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2-7
Coordinate
Conversion
•Rectan§ular
Coordinates
•Polar
Coordinates
,
'
P(x,y)
Pol
Rec
Y
P(r,e)
Calculation
results
are
stored
in
value
memories
I
and
J.
I
J
Rol
r
0
Rec
x
y
•With'
polar
coordinates,
0
can
be
calculated
and
displayed
within
a
range
of
—180°<0≤160°
(radians
and
grads
have
same
range).
•The
following
calculations
cannot
be performed
in
the
BASE
Mode.
Example
Operation
Disglay
To
calculate
r
and
0°
when
EDO
r+
(Deg)
x=14
and
y=20.7.
OM
ClE(COR)El(Pol)
14a20.7IM
24.98979792
(r)
(Continuing)
(=og
55.92839019
lEIMCD(DMS)C1(;
)
55°55'42.2"
(0)
2-8
Permutation
and
Combination
*Permutation
nPr
=
"
I
(n
-
r)!
*Combination
tier=
tt
l
r!
(n
-
r)!
•The
following
calculations
cannot
be
performed
in
the
BASE
Mode.
Example
Operation
Display
•
To
calculate
the
possible
number
of
different
arrange-
10
BM
I=E(PRB)
ments
using
4
items
selected
from
among
of
10
items.
"
loP4-5040
El
(nPr)4g
5040
To
calculate
the
possible
number
of
different
combine-
10
DEICIEPSB)
tions
of
4
items
that
can
be
selected
from
among
10
items.
ioC4=210
ID(nCr)4EI
210
—70—
-71—