Kcoordinate conversion, Kpermutation and combination – Casio CFX-9970G Manual Calculations User Manual
Page 14
48
k
k
k
k
k
Coordinate Conversion
uuuuu
Rectangular Coordinates
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Polar Coordinates
• With polar coordinates,
θ
can be calculated and displayed within a range of
–180
°
<
θ
<
180
°
(radians and grads have same range).
• Be sure to specify “Comp” for Calculation/binary, octal, decimal, hexadecimal
mode.
Example
To calculate
r
and
θ
°
when
x
= 14 and
y
= 20.7
Operation
Display
!Z
cccc1
(Deg)
J
K6
(
g
)
5
(ANGL)
6
(
g
)
1
(Pol()14
,
20.7
)w
Ans
1 –24.989–
→
24.98979792 (
r
)
2 – 55.928 –
→
55.92839019 (
θ
)
Example
To calculate
x
and
y
when
r
= 25 and
θ
= 56
°
Operation
Display
!Z
cccc1
(Deg)
J
K6
(
g
)
5
(ANGL)
6
(
g
)
2
(Rec()25
,
56
)w
Ans
1 –13.979–
→
13.97982259 (
x
)
2 – 20.725 –
→
20.72593931 (
y
)
k
k
k
k
k
Permutation and Combination
uuuuu
Permutation
uuuuu
Combination
• Be sure to specify “Comp” for Calculation/binary, octal, decimal, hexadecimal
mode.
P.5
2 - 3
Function Calculations
n
!
n
!
n
P
r
= –––––
n
C
r
= –––––––
(
n
–
r
)!
r
! (
n
–
r
)!
P.5