2-18
Example
Operation
Calculate
r
and
Ƨ
° when
x
= 14 and
y
= 20.7
K
(SET UP)
AAAAAA
*
(Deg)
)
*
(
E
)
(ANGL)**
(
E
)
(Pol()
14
20.7
U)
Calculate
x
and
y
when
r
= 25 and
Ƨ
= 56°
(Rec()
25
56
U
* fx-7400G
II
, fx-9750G
II
:
AAAAA
** fx-7400G
II
:
(ANGL)
I
Permutation and Combination
S
Permutation
S
Combination
• Be sure to specify Comp for Mode in the Setup screen.
Example 1 To calculate the possible number of different arrangements using 4
items selected from among 10 items
Formula
Operation
10
P
4
= 5040
10
*
(
E
)
(PROB)*
(
n
P
r
)
4
U
* fx-7400G
II
:
(PROB)
Example 2 To calculate the possible number of different combinations of 4 items
that can be selected from among 10 items
Formula
Operation
10
C
4
= 210
10
*
(
E
)
(PROB)*
(
n
C
r
)
4
U
* fx-7400G
II
:
(PROB)
I
Greatest Common Divisor (GCD), Least Common Multiple (LCM)
Example
Operation
To determine the greatest common
divisor of 28 and 35
(GCD (28, 35) = 7)
*
(
E
)
(NUM)*
(
E
)
(GCD)
28
35
U
To determine the least common multiple
of 9 and 15
(LCM (9, 15) = 45)
*
(
E
)
(NUM)*
(
E
)
(LCM)
9
15
U
* fx-7400G
II
:
(NUM)
1
24.989
24.98979792 (
r
)
2
55.928
55.92839019 ( )
1
24.989
24.98979792 (
r
)
2
55.928
55.92839019 ( )
1
13.979
13.97982259 (
x
)
2
20.725
20.72593931 (
y
)
1
13.979
13.97982259 (
x
)
2
20.725
20.72593931 (
y
)
n
!
n
!
n
P
r
=
n
C
r
=
(
n
–
r
)!
r
! (
n
–
r
)!
n
!
n
!
n
P
r
=
n
C
r
=
(
n
–
r
)!
r
! (
n
–
r
)!
Summary of Contents for FX-7400GII
Page 337: ...E CON2 Application ...
