User Manual

2-18
Example Operation
Calculate
r and  ° when x = 14 and y = 20.7
!m(SET UP) cccccc*
1(Deg) J
K6( g) 5(ANGL) ** 6( g) 1(Pol()
14 ,20.7 )wJ
Calculate
x and y when r = 25 and  = 56°
2(Rec() 25 ,56 )w
* fx-7400G II , fx-9750G II : ccccc ** fx-7400G II : 4(ANGL)
k Permutation and Combination
u Permutation u 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 K6( g) 3(PROB) * 2(
n P r ) 4 w
* fx-7400G
II : 2(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 K6( g) 3(PROB) * 3(
n C r ) 4 w
* fx-7400G II : 2(PROB)
k Greatest Common Divisor (GCD), Least Common Multiple (LCM)
Example Operation
To determine the greatest common
divisor of 28 and 35
(GCD (28, 35) = 7)
K6( g) 4(NUM) * 6( g) 2(GCD) 28 ,
35 )w
To determine the least common multiple
of 9 and 15
(LCM (9, 15) = 45)
K6( g) 4(NUM) * 6( g) 3(LCM) 9 ,15
)w
* fx-7400G
II : 3(NUM)
1 24.989
→ 24.98979792 (r)
2 55.928 → 55.92839019 ( )
θ
1 24.989 → 24.98979792 (r)
2 55.928 → 55.92839019 ( )
θ
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
)!