Example

 

Operation

 

 

 

 

 

 

 

 

 

 

 

 

Calculate r and Ƨ° when x = 14 and y = 20.7

K(SET UP)AAAAAA*

1

 

 

 

 

 

 

 

 

 

 24.98979792

(r)

(Deg))

 

 

 

 

24 .989

 

 

 

 

 

 

 

2

 

 

55.928

 

 

 

 55.92839019

()

*(E)(ANGL)**(E)(Pol()

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14 20.7U)

Calculate x and y when r = 25 and Ƨ = 56°

(Rec() 25 56U

1

 

 

 

 

 

 

 

 

 13.97982259 (x)

 

 

 

 

 

 

13 .979

 

 

 

 

 

 

 

 

 

 

2

 

 

 

20.725

 

 

 

 20.72593931 (y)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* fx-7400GII, fx-9750GII: AAAAA ** fx-7400GII: (ANGL)

IPermutation and Combination

S PermutationS Combination

nPr =

 

n!

 

nCr =

n!

 

(n r)!

 

r! (n r)!

 

• 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

 

 

10P4 = 5040

10*(E)(PROB)*(nPr) 4U

 

 

 

* fx-7400GII: (PROB)

Example 2 To calculate the possible number of different combinations of 4 items that can be selected from among 10 items

Formula

Operation

 

 

10C4 = 210

10*(E)(PROB)*(nCr) 4U

 

 

 

* fx-7400GII: (PROB)

IGreatest Common Divisor (GCD), Least Common Multiple (LCM)

Example

Operation

To determine the greatest common*(E)(NUM)*(E)(GCD) 28

divisor of 28 and 3535U (GCD (28, 35) = 7)

To determine the least common multiple *(E)(NUM)*(E)(LCM) 9 15

of 9 and 15U (LCM (9, 15) = 45)

* fx-7400GII: (NUM)

2-18