Casio FX-911W - Coordinate Conversion (Pol(x, y), Rec (r, 0)); Permutation; Combination; Statistical Calculations

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:
SS3
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<