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Coordinate Conversion
(Po\(x,y),
Rec
(r,
0))
•
Calculation
results
are automatically assigned
to
vari-
ables
E and
F.
•
Example
1:
To
convert
polar coordinates (r=2,
0=60°)
to
rectangular coordinates
(.r,
y)
(DEG
mode)
©©2CD60CDI
1.
1.732050808
v
SsDCE
•
SsD
CS,
@
CED
swaps
displayed value
with
value
in
memory.
•
Example
2:
To
convert rectangular coordinates
(1
,
/3)
to
polar
coordinates
(r,
0)
(RAD
mode)
®
1
CD
2D3QDI
2.
9
&m\
1.047197551
|
•
©
(XI,
@
CE
swaps
displayed value
with
value
in
memory.
Permutation
•
Example: To
determine
how many
different 4-digit val-
ues can
be
produced
using the
numbers
1
through
7
•
Numbers
cannot
be
duplicated
within
the
same
4-digit
value
(1
234
is
allowed, but
1 1
23
is
not).
7@®
41
840.
Combination
Example: To
determine
how many
different
4-member
groups
can be
organized
in
a
group
of
1
0
individuals
.
10@4B
(fx-85W:S®)
210.
Coordinate Conversion
(Pol(r,
Rec
(r,
6))
•
Calculation
results
are automatically
assigned
to vari-
ables
E
and
F.
•
Example
1:
To
convert
polar coordinates (r«2,
0=60°)
to
rectangular coordinates
(.r,
y)
(DEG
mode)
©©2GD60CDO
1.
1.732050808
y
5a)
CD
•
&
CD,
(E)
CE
swaps
displayed value
with
value
in
memory.
•
Example
2:
To
convert rectangular coordinates
(1
,
fS)
to
polar coordinates
(r,
0)
(RAD
mode)
®1CD
03CDI
EE)
CEM
.0471
97551
•
GeeD
CD,
®
CD
swaps
displayed value
with
value
in
memory.
Permutation
•
Example: To
determine
how many
different 4-digit val-
ues can
be
produced
using the
numbers
1
through
7
•
Numbers
cannot
b6
duplicated
within the
same
4
Jiyii
value
(1
234
is
allowed, but
11
23
is not)..
7©C
'840.
Combination
Example: To
determine
how many
different
4-member
*
groups
can be
organized
in
a
group
of
10
individuals
10@4B|
(fx-85W:@®)
210.
I
•18»
M
Standard
Deviation
(SD Mode)
•
Press
SaO
(fx-85W)
to
enter the
SD
Mode
for sta-
tistical
calculations
using standard
deviation.
For
other
models, press
@
GO.
Data ihpuTalwayb
siai
ui
wiu
i
era G£D
3*to
dear
statisti-
cal
memory.
•
Input
data
is
used
to
calculate
values
for.
n,
Zx,
lx
2
,
JP,
On and
a«-i
which you can
recall
using the
key
operations noted
nearby.
Zx
2
(sa)
CD
Zx
@QD
n
63 CD
jp
@(£3
On
a«-i
•
Example: To
calculate
a»-i,
o»,
jp,
n,
Ir,
and lx
7
for
the
following
data
:
55, 54,
51
,
55. 53, 53, 54,
52
Enter
SD
Mode
fx-85W:S@CD
Other models:
@
CD
<
•
SiB
(Memory
Clear)
55
dU
54(H)
51
US
55
GOD
5313(13
54(H) 52(12
52.
(Sampt* Standard
Otviation
0«-i)
@@l
(Population
Standard
Oration
On)
S3
®
I
1.407885953
1.316956719*
(Arithmetic
Mean
.?)
(NumbarofDataw)
(Sum
of
Value* Ir)
(Sum
of
SquarM
of
VakJM
Lr
2
)
SCO
Q
[
(wg
CD £
(22DGD
[[
©CD
r
58.375
8.
427.
22805.
Standard
Deviation
(SD Mode)
•
Press
S S
Op
(fr-85W)
to
enter the
SD
Mode
for sta-
.
tistical
calculations
using standard
deviation.
For
other
models, press
@
S3.
>
Data
inpufalway^'s'iStfis
*iiivE33 3'te
stearsta&£
cal
memory.
•
Input
data
is
used
to
calculate
values
for.
/1,
Zx,
Zx
2
,
JP,
On and
0V1
which
you can
recall
using the
key
operations noted
nearby.
(ssDQD
I**
63 CD
Zx
GsDQD
n
@d)
JP
@
®
On
@S
0>M
•
Example: To
calculate
o«-i,
a«,
JP,
n,
Ir,
and
lx*
for
the
following
data
:
55, 54, 51
,
55, 53, 53, 54,
52
Enter
SD
Mode
fx-85W:S@CD
Other models:
S
S3
S
(H
B
(Memory
Clear)
55
(jED
54
ID
51
S3
55
S3
53(13(13
54(2352
S3
52.
(Sample Standard
Deviation
0«-
i)
@
®
I
(Population
Standard
Daviation
On)
S3
23
I
1.407885953
1.316956719
(Arithmetic
Mean
.T)
(Number
of
Data
«)
(Sum
of
Values Ir)
(Sum
ol
Square*
of
Values
Ir.*)
B-GDO
[
(«g (23
[
SsDQD
53.375
8.
427.
22805.
19-
>19<
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